Finding the Fourth Proportional to 3,255,327.60, 4,882,991.40 and 2,121,586.80
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Solution
The fourth proportional to 3,255,327.60, 4,882,991.40 and 2,121,586.80 is: 3,182,380.20
Step by Step Solution
- Step 1: Write the proportion equation
3,255,327.60 : 4,882,991.40 = 2,121,586.80 : x - Step 2: Convert to fraction form
3,255,327.60/4,882,991.40 = 2,121,586.80/x - Step 3: Cross multiply
3,255,327.60x = 4,882,991.40 × 2,121,586.80 - Step 4: Simplify right side
3,255,327.60x = 10,359,690,098,753.52 - Step 5: Solve for x
x = 10,359,690,098,753.52/3,255,327.60 - Step 6: Final answer
x = 3,182,380.20
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1.5x scale
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.