Finding the Fourth Proportional to 3,598,532.20, 5,398,743.70 and 1,293,258.12
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Solution
The fourth proportional to 3,598,532.20, 5,398,743.70 and 1,293,258.12 is: 1,940,226.94
Step by Step Solution
- Step 1: Write the proportion equation
3,598,532.20 : 5,398,743.70 = 1,293,258.12 : x - Step 2: Convert to fraction form
3,598,532.20/5,398,743.70 = 1,293,258.12/x - Step 3: Cross multiply
3,598,532.20x = 5,398,743.70 × 1,293,258.12 - Step 4: Simplify right side
3,598,532.20x = 6,981,969,127,823.85 - Step 5: Solve for x
x = 6,981,969,127,823.85/3,598,532.20 - Step 6: Final answer
x = 1,940,226.94
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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.