Home / 2,989,294.20-4,479,348.60-2,227,562.10

Finding the Fourth Proportional to 2,989,294.20, 4,479,348.60 and 2,227,562.10

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Solution

The fourth proportional to 2,989,294.20, 4,479,348.60 and 2,227,562.10 is: 3,337,920.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,294.20 : 4,479,348.60 = 2,227,562.10 : x
  2. Step 2: Convert to fraction form
    2,989,294.20/4,479,348.60 = 2,227,562.10/x
  3. Step 3: Cross multiply
    2,989,294.20x = 4,479,348.60 × 2,227,562.10
  4. Step 4: Simplify right side
    2,989,294.20x = 9,978,027,174,048.06
  5. Step 5: Solve for x
    x = 9,978,027,174,048.06/2,989,294.20
  6. Step 6: Final answer
    x = 3,337,920.76

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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.