Home / 2,101,872.60-2,900,417.22-1,375,569.90

Finding the Fourth Proportional to 2,101,872.60, 2,900,417.22 and 1,375,569.90

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Solution

The fourth proportional to 2,101,872.60, 2,900,417.22 and 1,375,569.90 is: 1,898,177.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,872.60 : 2,900,417.22 = 1,375,569.90 : x
  2. Step 2: Convert to fraction form
    2,101,872.60/2,900,417.22 = 1,375,569.90/x
  3. Step 3: Cross multiply
    2,101,872.60x = 2,900,417.22 × 1,375,569.90
  4. Step 4: Simplify right side
    2,101,872.60x = 3,989,726,625,273.68
  5. Step 5: Solve for x
    x = 3,989,726,625,273.68/2,101,872.60
  6. Step 6: Final answer
    x = 1,898,177.19

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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.