Home / 2,111,231.28-3,166,847.20-513,794.36

Finding the Fourth Proportional to 2,111,231.28, 3,166,847.20 and 513,794.36

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Solution

The fourth proportional to 2,111,231.28, 3,166,847.20 and 513,794.36 is: 770,691.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,231.28 : 3,166,847.20 = 513,794.36 : x
  2. Step 2: Convert to fraction form
    2,111,231.28/3,166,847.20 = 513,794.36/x
  3. Step 3: Cross multiply
    2,111,231.28x = 3,166,847.20 × 513,794.36
  4. Step 4: Simplify right side
    2,111,231.28x = 1,627,108,241,489.12
  5. Step 5: Solve for x
    x = 1,627,108,241,489.12/2,111,231.28
  6. Step 6: Final answer
    x = 770,691.62

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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.