Finding the Fourth Proportional to 3,540,585.30, 5,310,869.85 and 1,517,517.42
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Solution
The fourth proportional to 3,540,585.30, 5,310,869.85 and 1,517,517.42 is: 2,276,272.66
Step by Step Solution
- Step 1: Write the proportion equation
3,540,585.30 : 5,310,869.85 = 1,517,517.42 : x - Step 2: Convert to fraction form
3,540,585.30/5,310,869.85 = 1,517,517.42/x - Step 3: Cross multiply
3,540,585.30x = 5,310,869.85 × 1,517,517.42 - Step 4: Simplify right side
3,540,585.30x = 8,059,337,512,727.79 - Step 5: Solve for x
x = 8,059,337,512,727.79/3,540,585.30 - Step 6: Final answer
x = 2,276,272.66
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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.