Home / 2,231,177.22-3,078,960.66-1,264,619.88

Finding the Fourth Proportional to 2,231,177.22, 3,078,960.66 and 1,264,619.88

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Solution

The fourth proportional to 2,231,177.22, 3,078,960.66 and 1,264,619.88 is: 1,745,139.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231,177.22 : 3,078,960.66 = 1,264,619.88 : x
  2. Step 2: Convert to fraction form
    2,231,177.22/3,078,960.66 = 1,264,619.88/x
  3. Step 3: Cross multiply
    2,231,177.22x = 3,078,960.66 × 1,264,619.88
  4. Step 4: Simplify right side
    2,231,177.22x = 3,893,714,860,373.92
  5. Step 5: Solve for x
    x = 3,893,714,860,373.92/2,231,177.22
  6. Step 6: Final answer
    x = 1,745,139.21

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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.