Finding the Fourth Proportional to 4,491,572.28, 6,198,385.86 and 2,454,381.78
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Solution
The fourth proportional to 4,491,572.28, 6,198,385.86 and 2,454,381.78 is: 3,387,055.66
Step by Step Solution
- Step 1: Write the proportion equation
4,491,572.28 : 6,198,385.86 = 2,454,381.78 : x - Step 2: Convert to fraction form
4,491,572.28/6,198,385.86 = 2,454,381.78/x - Step 3: Cross multiply
4,491,572.28x = 6,198,385.86 × 2,454,381.78 - Step 4: Simplify right side
4,491,572.28x = 15,213,205,320,193.63 - Step 5: Solve for x
x = 15,213,205,320,193.63/4,491,572.28 - Step 6: Final answer
x = 3,387,055.66
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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.