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Finding the Fourth Proportional to 1,844,796.75, 2,764,593.96 and 871,122.15

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Solution

The fourth proportional to 1,844,796.75, 2,764,593.96 and 871,122.15 is: 1,305,454.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844,796.75 : 2,764,593.96 = 871,122.15 : x
  2. Step 2: Convert to fraction form
    1,844,796.75/2,764,593.96 = 871,122.15/x
  3. Step 3: Cross multiply
    1,844,796.75x = 2,764,593.96 × 871,122.15
  4. Step 4: Simplify right side
    1,844,796.75x = 2,408,299,034,312.21
  5. Step 5: Solve for x
    x = 2,408,299,034,312.21/1,844,796.75
  6. Step 6: Final answer
    x = 1,305,454.94

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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.