Home / 2,642,257.92-3,962,372.64-1,124,978.88

Finding the Fourth Proportional to 2,642,257.92, 3,962,372.64 and 1,124,978.88

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Solution

The fourth proportional to 2,642,257.92, 3,962,372.64 and 1,124,978.88 is: 1,687,036.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,257.92 : 3,962,372.64 = 1,124,978.88 : x
  2. Step 2: Convert to fraction form
    2,642,257.92/3,962,372.64 = 1,124,978.88/x
  3. Step 3: Cross multiply
    2,642,257.92x = 3,962,372.64 × 1,124,978.88
  4. Step 4: Simplify right side
    2,642,257.92x = 4,457,585,534,689.84
  5. Step 5: Solve for x
    x = 4,457,585,534,689.84/2,642,257.92
  6. Step 6: Final answer
    x = 1,687,036.49

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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.