Finding the Fourth Proportional to 2,921,429.97, 4,031,781.99 and 1,614,653.91
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Solution
The fourth proportional to 2,921,429.97, 4,031,781.99 and 1,614,653.91 is: 2,228,337.70
Step by Step Solution
- Step 1: Write the proportion equation
2,921,429.97 : 4,031,781.99 = 1,614,653.91 : x - Step 2: Convert to fraction form
2,921,429.97/4,031,781.99 = 1,614,653.91/x - Step 3: Cross multiply
2,921,429.97x = 4,031,781.99 × 1,614,653.91 - Step 4: Simplify right side
2,921,429.97x = 6,509,932,554,421.08 - Step 5: Solve for x
x = 6,509,932,554,421.08/2,921,429.97 - Step 6: Final answer
x = 2,228,337.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.