Finding the Fourth Proportional to 1,451,472.15, 2,175,770.09 and 681,591.68
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Solution
The fourth proportional to 1,451,472.15, 2,175,770.09 and 681,591.68 is: 1,021,712.19
Step by Step Solution
- Step 1: Write the proportion equation
1,451,472.15 : 2,175,770.09 = 681,591.68 : x - Step 2: Convert to fraction form
1,451,472.15/2,175,770.09 = 681,591.68/x - Step 3: Cross multiply
1,451,472.15x = 2,175,770.09 × 681,591.68 - Step 4: Simplify right side
1,451,472.15x = 1,482,986,789,921.12 - Step 5: Solve for x
x = 1,482,986,789,921.12/1,451,472.15 - Step 6: Final answer
x = 1,021,712.19
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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.