Home / 2,078,229.70-3,115,616.55-881,071.30

Finding the Fourth Proportional to 2,078,229.70, 3,115,616.55 and 881,071.30

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Solution

The fourth proportional to 2,078,229.70, 3,115,616.55 and 881,071.30 is: 1,320,874.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,229.70 : 3,115,616.55 = 881,071.30 : x
  2. Step 2: Convert to fraction form
    2,078,229.70/3,115,616.55 = 881,071.30/x
  3. Step 3: Cross multiply
    2,078,229.70x = 3,115,616.55 × 881,071.30
  4. Step 4: Simplify right side
    2,078,229.70x = 2,745,080,324,010.02
  5. Step 5: Solve for x
    x = 2,745,080,324,010.02/2,078,229.70
  6. Step 6: Final answer
    x = 1,320,874.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.