Finding the Fourth Proportional to 3,080,793.60, 4,608,748.80 and 2,664,691.20
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Solution
The fourth proportional to 3,080,793.60, 4,608,748.80 and 2,664,691.20 is: 3,986,275.60
Step by Step Solution
- Step 1: Write the proportion equation
3,080,793.60 : 4,608,748.80 = 2,664,691.20 : x - Step 2: Convert to fraction form
3,080,793.60/4,608,748.80 = 2,664,691.20/x - Step 3: Cross multiply
3,080,793.60x = 4,608,748.80 × 2,664,691.20 - Step 4: Simplify right side
3,080,793.60x = 12,280,892,370,370.56 - Step 5: Solve for x
x = 12,280,892,370,370.56/3,080,793.60 - Step 6: Final answer
x = 3,986,275.60
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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.