Home / 1,988,833.05-2,744,607.78-1,203,917.04

Finding the Fourth Proportional to 1,988,833.05, 2,744,607.78 and 1,203,917.04

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Solution

The fourth proportional to 1,988,833.05, 2,744,607.78 and 1,203,917.04 is: 1,661,416.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,833.05 : 2,744,607.78 = 1,203,917.04 : x
  2. Step 2: Convert to fraction form
    1,988,833.05/2,744,607.78 = 1,203,917.04/x
  3. Step 3: Cross multiply
    1,988,833.05x = 2,744,607.78 × 1,203,917.04
  4. Step 4: Simplify right side
    1,988,833.05x = 3,304,280,074,458.57
  5. Step 5: Solve for x
    x = 3,304,280,074,458.57/1,988,833.05
  6. Step 6: Final answer
    x = 1,661,416.51

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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.