Finding the Fourth Proportional to 4,160,790.80, 6,236,520.60 and 2,138,253.20
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Solution
The fourth proportional to 4,160,790.80, 6,236,520.60 and 2,138,253.20 is: 3,204,982.12
Step by Step Solution
- Step 1: Write the proportion equation
4,160,790.80 : 6,236,520.60 = 2,138,253.20 : x - Step 2: Convert to fraction form
4,160,790.80/6,236,520.60 = 2,138,253.20/x - Step 3: Cross multiply
4,160,790.80x = 6,236,520.60 × 2,138,253.20 - Step 4: Simplify right side
4,160,790.80x = 13,335,260,129,815.92 - Step 5: Solve for x
x = 13,335,260,129,815.92/4,160,790.80 - Step 6: Final answer
x = 3,204,982.12
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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.