Home / 3,844,731.28-5,305,355.08-2,125,616.40

Finding the Fourth Proportional to 3,844,731.28, 5,305,355.08 and 2,125,616.40

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Solution

The fourth proportional to 3,844,731.28, 5,305,355.08 and 2,125,616.40 is: 2,933,143.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,844,731.28 : 5,305,355.08 = 2,125,616.40 : x
  2. Step 2: Convert to fraction form
    3,844,731.28/5,305,355.08 = 2,125,616.40/x
  3. Step 3: Cross multiply
    3,844,731.28x = 5,305,355.08 × 2,125,616.40
  4. Step 4: Simplify right side
    3,844,731.28x = 11,277,149,765,871.31
  5. Step 5: Solve for x
    x = 11,277,149,765,871.31/3,844,731.28
  6. Step 6: Final answer
    x = 2,933,143.81

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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.