Home / 2,500,439.76-3,450,615.84-1,354,517.28

Finding the Fourth Proportional to 2,500,439.76, 3,450,615.84 and 1,354,517.28

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Solution

The fourth proportional to 2,500,439.76, 3,450,615.84 and 1,354,517.28 is: 1,869,238.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,500,439.76 : 3,450,615.84 = 1,354,517.28 : x
  2. Step 2: Convert to fraction form
    2,500,439.76/3,450,615.84 = 1,354,517.28/x
  3. Step 3: Cross multiply
    2,500,439.76x = 3,450,615.84 × 1,354,517.28
  4. Step 4: Simplify right side
    2,500,439.76x = 4,673,918,781,921.72
  5. Step 5: Solve for x
    x = 4,673,918,781,921.72/2,500,439.76
  6. Step 6: Final answer
    x = 1,869,238.71

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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.