Home / 2,500,785.20-3,451,086.96-1,354,865.51

Finding the Fourth Proportional to 2,500,785.20, 3,451,086.96 and 1,354,865.51

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Solution

The fourth proportional to 2,500,785.20, 3,451,086.96 and 1,354,865.51 is: 1,869,716.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,500,785.20 : 3,451,086.96 = 1,354,865.51 : x
  2. Step 2: Convert to fraction form
    2,500,785.20/3,451,086.96 = 1,354,865.51/x
  3. Step 3: Cross multiply
    2,500,785.20x = 3,451,086.96 × 1,354,865.51
  4. Step 4: Simplify right side
    2,500,785.20x = 4,675,758,694,114.75
  5. Step 5: Solve for x
    x = 4,675,758,694,114.75/2,500,785.20
  6. Step 6: Final answer
    x = 1,869,716.24

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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.