Home / 3,844,363.40-5,305,128.10-2,125,439.72

Finding the Fourth Proportional to 3,844,363.40, 5,305,128.10 and 2,125,439.72

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Solution

The fourth proportional to 3,844,363.40, 5,305,128.10 and 2,125,439.72 is: 2,933,055.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,844,363.40 : 5,305,128.10 = 2,125,439.72 : x
  2. Step 2: Convert to fraction form
    3,844,363.40/5,305,128.10 = 2,125,439.72/x
  3. Step 3: Cross multiply
    3,844,363.40x = 5,305,128.10 × 2,125,439.72
  4. Step 4: Simplify right side
    3,844,363.40x = 11,275,729,983,428.13
  5. Step 5: Solve for x
    x = 11,275,729,983,428.13/3,844,363.40
  6. Step 6: Final answer
    x = 2,933,055.18

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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.