Home / 2,167,311.40-3,251,122.92-747,346.97

Finding the Fourth Proportional to 2,167,311.40, 3,251,122.92 and 747,346.97

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Solution

The fourth proportional to 2,167,311.40, 3,251,122.92 and 747,346.97 is: 1,121,074.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,311.40 : 3,251,122.92 = 747,346.97 : x
  2. Step 2: Convert to fraction form
    2,167,311.40/3,251,122.92 = 747,346.97/x
  3. Step 3: Cross multiply
    2,167,311.40x = 3,251,122.92 × 747,346.97
  4. Step 4: Simplify right side
    2,167,311.40x = 2,429,716,871,487.36
  5. Step 5: Solve for x
    x = 2,429,716,871,487.36/2,167,311.40
  6. Step 6: Final answer
    x = 1,121,074.19

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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.