Finding the Fourth Proportional to 2,578,785.83, 3,558,515.99 and 1,491,127.95
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Solution
The fourth proportional to 2,578,785.83, 3,558,515.99 and 1,491,127.95 is: 2,057,636.04
Step by Step Solution
- Step 1: Write the proportion equation
2,578,785.83 : 3,558,515.99 = 1,491,127.95 : x - Step 2: Convert to fraction form
2,578,785.83/3,558,515.99 = 1,491,127.95/x - Step 3: Cross multiply
2,578,785.83x = 3,558,515.99 × 1,491,127.95 - Step 4: Simplify right side
2,578,785.83x = 5,306,202,645,755.28 - Step 5: Solve for x
x = 5,306,202,645,755.28/2,578,785.83 - Step 6: Final answer
x = 2,057,636.04
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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.