Finding the Fourth Proportional to 5,691,319.92, 8,536,350.96 and 1,431,489.78
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Solution
The fourth proportional to 5,691,319.92, 8,536,350.96 and 1,431,489.78 is: 2,147,076.48
Step by Step Solution
- Step 1: Write the proportion equation
5,691,319.92 : 8,536,350.96 = 1,431,489.78 : x - Step 2: Convert to fraction form
5,691,319.92/8,536,350.96 = 1,431,489.78/x - Step 3: Cross multiply
5,691,319.92x = 8,536,350.96 × 1,431,489.78 - Step 4: Simplify right side
5,691,319.92x = 12,219,699,157,733.19 - Step 5: Solve for x
x = 12,219,699,157,733.19/5,691,319.92 - Step 6: Final answer
x = 2,147,076.48
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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.