<PRE><B>Question 1195934</B>
&lt;br&gt;
The 7th term, 4374, is the 2nd term, 18, multiplied by the common ratio r 5 times:&lt;br&gt;
{{{4374=18r^5}}}
{{{r^5=4374/18=243=3^5}}}
{{{r=3}}}&lt;br&gt;
The common ratio is 3.&lt;br&gt;
The second term 18 is the first term times the common ratio:&lt;br&gt;
{{{18=3a}}}
{{{a=6}}}&lt;br&gt;
ANSWER: The first term is 6&lt;br&gt;
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