Finding the Fourth Proportional to 2,553,515.47, 3,523,850.62 and 1,407,614.95
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Solution
The fourth proportional to 2,553,515.47, 3,523,850.62 and 1,407,614.95 is: 1,942,508.23
Step by Step Solution
- Step 1: Write the proportion equation
2,553,515.47 : 3,523,850.62 = 1,407,614.95 : x - Step 2: Convert to fraction form
2,553,515.47/3,523,850.62 = 1,407,614.95/x - Step 3: Cross multiply
2,553,515.47x = 3,523,850.62 × 1,407,614.95 - Step 4: Simplify right side
2,553,515.47x = 4,960,224,814,278.77 - Step 5: Solve for x
x = 4,960,224,814,278.77/2,553,515.47 - Step 6: Final answer
x = 1,942,508.23
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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.