Finding the Fourth Proportional to 2,098,660.80, 3,149,287.20 and 836,356.80
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Solution
The fourth proportional to 2,098,660.80, 3,149,287.20 and 836,356.80 is: 1,255,051.68
Step by Step Solution
- Step 1: Write the proportion equation
2,098,660.80 : 3,149,287.20 = 836,356.80 : x - Step 2: Convert to fraction form
2,098,660.80/3,149,287.20 = 836,356.80/x - Step 3: Cross multiply
2,098,660.80x = 3,149,287.20 × 836,356.80 - Step 4: Simplify right side
2,098,660.80x = 2,633,927,764,872.96 - Step 5: Solve for x
x = 2,633,927,764,872.96/2,098,660.80 - Step 6: Final answer
x = 1,255,051.68
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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.