Finding the Fourth Proportional to 1,412,711.10, 2,117,785.03 and 513,517.75
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Solution
The fourth proportional to 1,412,711.10, 2,117,785.03 and 513,517.75 is: 769,810.75
Step by Step Solution
- Step 1: Write the proportion equation
1,412,711.10 : 2,117,785.03 = 513,517.75 : x - Step 2: Convert to fraction form
1,412,711.10/2,117,785.03 = 513,517.75/x - Step 3: Cross multiply
1,412,711.10x = 2,117,785.03 × 513,517.75 - Step 4: Simplify right side
1,412,711.10x = 1,087,520,197,011.03 - Step 5: Solve for x
x = 1,087,520,197,011.03/1,412,711.10 - Step 6: Final answer
x = 769,810.75
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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.