Home / 3,722,943.06-5,138,103.78-2,091,353.58

Finding the Fourth Proportional to 3,722,943.06, 5,138,103.78 and 2,091,353.58

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Solution

The fourth proportional to 3,722,943.06, 5,138,103.78 and 2,091,353.58 is: 2,886,316.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722,943.06 : 5,138,103.78 = 2,091,353.58 : x
  2. Step 2: Convert to fraction form
    3,722,943.06/5,138,103.78 = 2,091,353.58/x
  3. Step 3: Cross multiply
    3,722,943.06x = 5,138,103.78 × 2,091,353.58
  4. Step 4: Simplify right side
    3,722,943.06x = 10,745,591,734,714.53
  5. Step 5: Solve for x
    x = 10,745,591,734,714.53/3,722,943.06
  6. Step 6: Final answer
    x = 2,886,316.43

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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.