Home / 2,930,286.24-4,394,720.88-800,381.52

Finding the Fourth Proportional to 2,930,286.24, 4,394,720.88 and 800,381.52

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Solution

The fourth proportional to 2,930,286.24, 4,394,720.88 and 800,381.52 is: 1,200,378.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930,286.24 : 4,394,720.88 = 800,381.52 : x
  2. Step 2: Convert to fraction form
    2,930,286.24/4,394,720.88 = 800,381.52/x
  3. Step 3: Cross multiply
    2,930,286.24x = 4,394,720.88 × 800,381.52
  4. Step 4: Simplify right side
    2,930,286.24x = 3,517,453,377,910.14
  5. Step 5: Solve for x
    x = 3,517,453,377,910.14/2,930,286.24
  6. Step 6: Final answer
    x = 1,200,378.77

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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.