Finding the Fourth Proportional to 7,042,645.92, 10,564,668.96 and 2,555,271.84
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Solution
The fourth proportional to 7,042,645.92, 10,564,668.96 and 2,555,271.84 is: 3,833,161.77
Step by Step Solution
- Step 1: Write the proportion equation
7,042,645.92 : 10,564,668.96 = 2,555,271.84 : x - Step 2: Convert to fraction form
7,042,645.92/10,564,668.96 = 2,555,271.84/x - Step 3: Cross multiply
7,042,645.92x = 10,564,668.96 × 2,555,271.84 - Step 4: Simplify right side
7,042,645.92x = 26,995,601,092,410.09 - Step 5: Solve for x
x = 26,995,601,092,410.09/7,042,645.92 - Step 6: Final answer
x = 3,833,161.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.