Home / 6,354,780.28-8,769,659.10-3,454,169.36

Finding the Fourth Proportional to 6,354,780.28, 8,769,659.10 and 3,454,169.36

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Solution

The fourth proportional to 6,354,780.28, 8,769,659.10 and 3,454,169.36 is: 4,766,787.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,354,780.28 : 8,769,659.10 = 3,454,169.36 : x
  2. Step 2: Convert to fraction form
    6,354,780.28/8,769,659.10 = 3,454,169.36/x
  3. Step 3: Cross multiply
    6,354,780.28x = 8,769,659.10 × 3,454,169.36
  4. Step 4: Simplify right side
    6,354,780.28x = 30,291,887,760,865.17
  5. Step 5: Solve for x
    x = 30,291,887,760,865.17/6,354,780.28
  6. Step 6: Final answer
    x = 4,766,787.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.