Home / 2,687,781.60-3,709,138.50-1,480,557.60

Finding the Fourth Proportional to 2,687,781.60, 3,709,138.50 and 1,480,557.60

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Solution

The fourth proportional to 2,687,781.60, 3,709,138.50 and 1,480,557.60 is: 2,043,169.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,781.60 : 3,709,138.50 = 1,480,557.60 : x
  2. Step 2: Convert to fraction form
    2,687,781.60/3,709,138.50 = 1,480,557.60/x
  3. Step 3: Cross multiply
    2,687,781.60x = 3,709,138.50 × 1,480,557.60
  4. Step 4: Simplify right side
    2,687,781.60x = 5,491,593,195,627.60
  5. Step 5: Solve for x
    x = 5,491,593,195,627.60/2,687,781.60
  6. Step 6: Final answer
    x = 2,043,169.43

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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.