Home / 3,399,257.79-4,691,250-1,949,088.15

Finding the Fourth Proportional to 3,399,257.79, 4,691,250 and 1,949,088.15

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Solution

The fourth proportional to 3,399,257.79, 4,691,250 and 1,949,088.15 is: 2,689,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399,257.79 : 4,691,250 = 1,949,088.15 : x
  2. Step 2: Convert to fraction form
    3,399,257.79/4,691,250 = 1,949,088.15/x
  3. Step 3: Cross multiply
    3,399,257.79x = 4,691,250 × 1,949,088.15
  4. Step 4: Simplify right side
    3,399,257.79x = 9,143,659,783,687.50
  5. Step 5: Solve for x
    x = 9,143,659,783,687.50/3,399,257.79
  6. Step 6: Final answer
    x = 2,689,898.90

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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.