Home / 2,167,939.18-3,251,655.39-871,039.02

Finding the Fourth Proportional to 2,167,939.18, 3,251,655.39 and 871,039.02

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Solution

The fourth proportional to 2,167,939.18, 3,251,655.39 and 871,039.02 is: 1,306,456.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,939.18 : 3,251,655.39 = 871,039.02 : x
  2. Step 2: Convert to fraction form
    2,167,939.18/3,251,655.39 = 871,039.02/x
  3. Step 3: Cross multiply
    2,167,939.18x = 3,251,655.39 × 871,039.02
  4. Step 4: Simplify right side
    2,167,939.18x = 2,832,318,721,452.86
  5. Step 5: Solve for x
    x = 2,832,318,721,452.86/2,167,939.18
  6. Step 6: Final answer
    x = 1,306,456.72

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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.