Home / 1,998,922.10-2,758,502.13-1,081,150.28

Finding the Fourth Proportional to 1,998,922.10, 2,758,502.13 and 1,081,150.28

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Solution

The fourth proportional to 1,998,922.10, 2,758,502.13 and 1,081,150.28 is: 1,491,981.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,922.10 : 2,758,502.13 = 1,081,150.28 : x
  2. Step 2: Convert to fraction form
    1,998,922.10/2,758,502.13 = 1,081,150.28/x
  3. Step 3: Cross multiply
    1,998,922.10x = 2,758,502.13 × 1,081,150.28
  4. Step 4: Simplify right side
    1,998,922.10x = 2,982,355,350,230.10
  5. Step 5: Solve for x
    x = 2,982,355,350,230.10/1,998,922.10
  6. Step 6: Final answer
    x = 1,491,981.78

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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.