Home / 2,642,289.92-3,962,420.64-1,125,010.88

Finding the Fourth Proportional to 2,642,289.92, 3,962,420.64 and 1,125,010.88

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Solution

The fourth proportional to 2,642,289.92, 3,962,420.64 and 1,125,010.88 is: 1,687,084.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,289.92 : 3,962,420.64 = 1,125,010.88 : x
  2. Step 2: Convert to fraction form
    2,642,289.92/3,962,420.64 = 1,125,010.88/x
  3. Step 3: Cross multiply
    2,642,289.92x = 3,962,420.64 × 1,125,010.88
  4. Step 4: Simplify right side
    2,642,289.92x = 4,457,766,331,136.56
  5. Step 5: Solve for x
    x = 4,457,766,331,136.56/2,642,289.92
  6. Step 6: Final answer
    x = 1,687,084.49

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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.