Finding the Fourth Proportional to 5,403,856.80, 8,086,102.20 and 3,986,680.80
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Solution
The fourth proportional to 5,403,856.80, 8,086,102.20 and 3,986,680.80 is: 5,965,500.12
Step by Step Solution
- Step 1: Write the proportion equation
5,403,856.80 : 8,086,102.20 = 3,986,680.80 : x - Step 2: Convert to fraction form
5,403,856.80/8,086,102.20 = 3,986,680.80/x - Step 3: Cross multiply
5,403,856.80x = 8,086,102.20 × 3,986,680.80 - Step 4: Simplify right side
5,403,856.80x = 32,236,708,387,577.76 - Step 5: Solve for x
x = 32,236,708,387,577.76/5,403,856.80 - Step 6: Final answer
x = 5,965,500.12
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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.