Home / 2,078,174.70-3,115,534.05-881,016.30

Finding the Fourth Proportional to 2,078,174.70, 3,115,534.05 and 881,016.30

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Solution

The fourth proportional to 2,078,174.70, 3,115,534.05 and 881,016.30 is: 1,320,791.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,174.70 : 3,115,534.05 = 881,016.30 : x
  2. Step 2: Convert to fraction form
    2,078,174.70/3,115,534.05 = 881,016.30/x
  3. Step 3: Cross multiply
    2,078,174.70x = 3,115,534.05 × 881,016.30
  4. Step 4: Simplify right side
    2,078,174.70x = 2,744,836,281,255.02
  5. Step 5: Solve for x
    x = 2,744,836,281,255.02/2,078,174.70
  6. Step 6: Final answer
    x = 1,320,791.89

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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.