Finding the Fourth Proportional to 4,491,316.28, 6,724,901.92 and 3,421,260.92
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Solution
The fourth proportional to 4,491,316.28, 6,724,901.92 and 3,421,260.92 is: 5,122,695.15
Step by Step Solution
- Step 1: Write the proportion equation
4,491,316.28 : 6,724,901.92 = 3,421,260.92 : x - Step 2: Convert to fraction form
4,491,316.28/6,724,901.92 = 3,421,260.92/x - Step 3: Cross multiply
4,491,316.28x = 6,724,901.92 × 3,421,260.92 - Step 4: Simplify right side
4,491,316.28x = 23,007,644,129,728.96 - Step 5: Solve for x
x = 23,007,644,129,728.96/4,491,316.28 - Step 6: Final answer
x = 5,122,695.15
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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.