Finding the Fourth Proportional to 3,278,251.28, 4,914,572.08 and 1,257,944.96
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Solution
The fourth proportional to 3,278,251.28, 4,914,572.08 and 1,257,944.96 is: 1,885,841.15
Step by Step Solution
- Step 1: Write the proportion equation
3,278,251.28 : 4,914,572.08 = 1,257,944.96 : x - Step 2: Convert to fraction form
3,278,251.28/4,914,572.08 = 1,257,944.96/x - Step 3: Cross multiply
3,278,251.28x = 4,914,572.08 × 1,257,944.96 - Step 4: Simplify right side
3,278,251.28x = 6,182,261,178,592.72 - Step 5: Solve for x
x = 6,182,261,178,592.72/3,278,251.28 - Step 6: Final answer
x = 1,885,841.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.