Home / 6,138,865.30-9,206,726.73-1,819,905.57

Finding the Fourth Proportional to 6,138,865.30, 9,206,726.73 and 1,819,905.57

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Solution

The fourth proportional to 6,138,865.30, 9,206,726.73 and 1,819,905.57 is: 2,729,392.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138,865.30 : 9,206,726.73 = 1,819,905.57 : x
  2. Step 2: Convert to fraction form
    6,138,865.30/9,206,726.73 = 1,819,905.57/x
  3. Step 3: Cross multiply
    6,138,865.30x = 9,206,726.73 × 1,819,905.57
  4. Step 4: Simplify right side
    6,138,865.30x = 16,755,373,291,920.11
  5. Step 5: Solve for x
    x = 16,755,373,291,920.11/6,138,865.30
  6. Step 6: Final answer
    x = 2,729,392.56

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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.