Finding the Fourth Proportional to 5,327,201.65, 7,353,537.47 and 3,491,778.21
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Solution
The fourth proportional to 5,327,201.65, 7,353,537.47 and 3,491,778.21 is: 4,819,964.33
Step by Step Solution
- Step 1: Write the proportion equation
5,327,201.65 : 7,353,537.47 = 3,491,778.21 : x - Step 2: Convert to fraction form
5,327,201.65/7,353,537.47 = 3,491,778.21/x - Step 3: Cross multiply
5,327,201.65x = 7,353,537.47 × 3,491,778.21 - Step 4: Simplify right side
5,327,201.65x = 25,676,921,901,310.60 - Step 5: Solve for x
x = 25,676,921,901,310.60/5,327,201.65 - Step 6: Final answer
x = 4,819,964.33
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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.