Home / 2,023,321.78-3,037,143.20-871,138.96

Finding the Fourth Proportional to 2,023,321.78, 3,037,143.20 and 871,138.96

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Solution

The fourth proportional to 2,023,321.78, 3,037,143.20 and 871,138.96 is: 1,307,638.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023,321.78 : 3,037,143.20 = 871,138.96 : x
  2. Step 2: Convert to fraction form
    2,023,321.78/3,037,143.20 = 871,138.96/x
  3. Step 3: Cross multiply
    2,023,321.78x = 3,037,143.20 × 871,138.96
  4. Step 4: Simplify right side
    2,023,321.78x = 2,645,773,768,619.07
  5. Step 5: Solve for x
    x = 2,645,773,768,619.07/2,023,321.78
  6. Step 6: Final answer
    x = 1,307,638.65

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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.