Finding the Fourth Proportional to 1,553,515.88, 2,330,302.97 and 431,614.04
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Solution
The fourth proportional to 1,553,515.88, 2,330,302.97 and 431,614.04 is: 647,429.15
Step by Step Solution
- Step 1: Write the proportion equation
1,553,515.88 : 2,330,302.97 = 431,614.04 : x - Step 2: Convert to fraction form
1,553,515.88/2,330,302.97 = 431,614.04/x - Step 3: Cross multiply
1,553,515.88x = 2,330,302.97 × 431,614.04 - Step 4: Simplify right side
1,553,515.88x = 1,005,791,468,733.22 - Step 5: Solve for x
x = 1,005,791,468,733.22/1,553,515.88 - Step 6: Final answer
x = 647,429.15
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.