Home / 2,272,472.20-3,136,076.76-1,253,942.56

Finding the Fourth Proportional to 2,272,472.20, 3,136,076.76 and 1,253,942.56

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Solution

The fourth proportional to 2,272,472.20, 3,136,076.76 and 1,253,942.56 is: 1,730,476.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272,472.20 : 3,136,076.76 = 1,253,942.56 : x
  2. Step 2: Convert to fraction form
    2,272,472.20/3,136,076.76 = 1,253,942.56/x
  3. Step 3: Cross multiply
    2,272,472.20x = 3,136,076.76 × 1,253,942.56
  4. Step 4: Simplify right side
    2,272,472.20x = 3,932,460,120,790.91
  5. Step 5: Solve for x
    x = 3,932,460,120,790.91/2,272,472.20
  6. Step 6: Final answer
    x = 1,730,476.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.