Home / 6,138,865.58-9,206,727.15-1,819,905.86

Finding the Fourth Proportional to 6,138,865.58, 9,206,727.15 and 1,819,905.86

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Solution

The fourth proportional to 6,138,865.58, 9,206,727.15 and 1,819,905.86 is: 2,729,392.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138,865.58 : 9,206,727.15 = 1,819,905.86 : x
  2. Step 2: Convert to fraction form
    6,138,865.58/9,206,727.15 = 1,819,905.86/x
  3. Step 3: Cross multiply
    6,138,865.58x = 9,206,727.15 × 1,819,905.86
  4. Step 4: Simplify right side
    6,138,865.58x = 16,755,376,645,672.46
  5. Step 5: Solve for x
    x = 16,755,376,645,672.46/6,138,865.58
  6. Step 6: Final answer
    x = 2,729,392.99

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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.