Finding the Fourth Proportional to 5,471,574.43, 8,207,785.34 and 1,828,316.92
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Solution
The fourth proportional to 5,471,574.43, 8,207,785.34 and 1,828,316.92 is: 2,742,616.96
Step by Step Solution
- Step 1: Write the proportion equation
5,471,574.43 : 8,207,785.34 = 1,828,316.92 : x - Step 2: Convert to fraction form
5,471,574.43/8,207,785.34 = 1,828,316.92/x - Step 3: Cross multiply
5,471,574.43x = 8,207,785.34 × 1,828,316.92 - Step 4: Simplify right side
5,471,574.43x = 15,006,432,812,849.95 - Step 5: Solve for x
x = 15,006,432,812,849.95/5,471,574.43 - Step 6: Final answer
x = 2,742,616.96
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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.