Finding the Fourth Proportional to 4,313,425.92, 6,471,481.44 and 1,280,807.68
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Solution
The fourth proportional to 4,313,425.92, 6,471,481.44 and 1,280,807.68 is: 1,921,610.17
Step by Step Solution
- Step 1: Write the proportion equation
4,313,425.92 : 6,471,481.44 = 1,280,807.68 : x - Step 2: Convert to fraction form
4,313,425.92/6,471,481.44 = 1,280,807.68/x - Step 3: Cross multiply
4,313,425.92x = 6,471,481.44 × 1,280,807.68 - Step 4: Simplify right side
4,313,425.92x = 8,288,723,129,329.46 - Step 5: Solve for x
x = 8,288,723,129,329.46/4,313,425.92 - Step 6: Final answer
x = 1,921,610.17
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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.