Finding the Fourth Proportional to 4,253,452.70, 6,381,130.80 and 1,557,724.10
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Solution
The fourth proportional to 4,253,452.70, 6,381,130.80 and 1,557,724.10 is: 2,336,934.71
Step by Step Solution
- Step 1: Write the proportion equation
4,253,452.70 : 6,381,130.80 = 1,557,724.10 : x - Step 2: Convert to fraction form
4,253,452.70/6,381,130.80 = 1,557,724.10/x - Step 3: Cross multiply
4,253,452.70x = 6,381,130.80 × 1,557,724.10 - Step 4: Simplify right side
4,253,452.70x = 9,940,041,232,412.28 - Step 5: Solve for x
x = 9,940,041,232,412.28/4,253,452.70 - Step 6: Final answer
x = 2,336,934.71
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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.