Home / 6,251,834.91-9,377,649.90-1,991,945.28

Finding the Fourth Proportional to 6,251,834.91, 9,377,649.90 and 1,991,945.28

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Solution

The fourth proportional to 6,251,834.91, 9,377,649.90 and 1,991,945.28 is: 2,987,885.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251,834.91 : 9,377,649.90 = 1,991,945.28 : x
  2. Step 2: Convert to fraction form
    6,251,834.91/9,377,649.90 = 1,991,945.28/x
  3. Step 3: Cross multiply
    6,251,834.91x = 9,377,649.90 × 1,991,945.28
  4. Step 4: Simplify right side
    6,251,834.91x = 18,679,765,455,797.47
  5. Step 5: Solve for x
    x = 18,679,765,455,797.47/6,251,834.91
  6. Step 6: Final answer
    x = 2,987,885.27

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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.