Finding the Fourth Proportional to 4,647,724.11, 6,414,620.28 and 3,872,125.08
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Solution
The fourth proportional to 4,647,724.11, 6,414,620.28 and 3,872,125.08 is: 5,344,166.62
Step by Step Solution
- Step 1: Write the proportion equation
4,647,724.11 : 6,414,620.28 = 3,872,125.08 : x - Step 2: Convert to fraction form
4,647,724.11/6,414,620.28 = 3,872,125.08/x - Step 3: Cross multiply
4,647,724.11x = 6,414,620.28 × 3,872,125.08 - Step 4: Simplify right side
4,647,724.11x = 24,838,212,064,864.62 - Step 5: Solve for x
x = 24,838,212,064,864.62/4,647,724.11 - Step 6: Final answer
x = 5,344,166.62
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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.