Finding the Fourth Proportional to 4,659,543.68, 6,432,154.20 and 3,132,536.52
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Solution
The fourth proportional to 4,659,543.68, 6,432,154.20 and 3,132,536.52 is: 4,324,234.16
Step by Step Solution
- Step 1: Write the proportion equation
4,659,543.68 : 6,432,154.20 = 3,132,536.52 : x - Step 2: Convert to fraction form
4,659,543.68/6,432,154.20 = 3,132,536.52/x - Step 3: Cross multiply
4,659,543.68x = 6,432,154.20 × 3,132,536.52 - Step 4: Simplify right side
4,659,543.68x = 20,148,957,933,771.38 - Step 5: Solve for x
x = 20,148,957,933,771.38/4,659,543.68 - Step 6: Final answer
x = 4,324,234.16
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.