Home / 2,105,138.28-3,157,231.18-966,806.12

Finding the Fourth Proportional to 2,105,138.28, 3,157,231.18 and 966,806.12

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Solution

The fourth proportional to 2,105,138.28, 3,157,231.18 and 966,806.12 is: 1,449,990.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,138.28 : 3,157,231.18 = 966,806.12 : x
  2. Step 2: Convert to fraction form
    2,105,138.28/3,157,231.18 = 966,806.12/x
  3. Step 3: Cross multiply
    2,105,138.28x = 3,157,231.18 × 966,806.12
  4. Step 4: Simplify right side
    2,105,138.28x = 3,052,430,427,078.82
  5. Step 5: Solve for x
    x = 3,052,430,427,078.82/2,105,138.28
  6. Step 6: Final answer
    x = 1,449,990.46

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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.