Home / 5,431,057.40-8,146,586.10-1,644,540.28

Finding the Fourth Proportional to 5,431,057.40, 8,146,586.10 and 1,644,540.28

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Solution

The fourth proportional to 5,431,057.40, 8,146,586.10 and 1,644,540.28 is: 2,466,810.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,057.40 : 8,146,586.10 = 1,644,540.28 : x
  2. Step 2: Convert to fraction form
    5,431,057.40/8,146,586.10 = 1,644,540.28/x
  3. Step 3: Cross multiply
    5,431,057.40x = 8,146,586.10 × 1,644,540.28
  4. Step 4: Simplify right side
    5,431,057.40x = 13,397,388,985,938.11
  5. Step 5: Solve for x
    x = 13,397,388,985,938.11/5,431,057.40
  6. Step 6: Final answer
    x = 2,466,810.42

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Similar ratio
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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.