Home / 2,756,760.12-4,135,399.52-811,489.97

Finding the Fourth Proportional to 2,756,760.12, 4,135,399.52 and 811,489.97

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Solution

The fourth proportional to 2,756,760.12, 4,135,399.52 and 811,489.97 is: 1,217,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756,760.12 : 4,135,399.52 = 811,489.97 : x
  2. Step 2: Convert to fraction form
    2,756,760.12/4,135,399.52 = 811,489.97/x
  3. Step 3: Cross multiply
    2,756,760.12x = 4,135,399.52 × 811,489.97
  4. Step 4: Simplify right side
    2,756,760.12x = 3,355,835,238,703.86
  5. Step 5: Solve for x
    x = 3,355,835,238,703.86/2,756,760.12
  6. Step 6: Final answer
    x = 1,217,311.30

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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.