Home / 2,002,380.94-2,761,071.87-1,276,078.78

Finding the Fourth Proportional to 2,002,380.94, 2,761,071.87 and 1,276,078.78

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Solution

The fourth proportional to 2,002,380.94, 2,761,071.87 and 1,276,078.78 is: 1,759,577.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002,380.94 : 2,761,071.87 = 1,276,078.78 : x
  2. Step 2: Convert to fraction form
    2,002,380.94/2,761,071.87 = 1,276,078.78/x
  3. Step 3: Cross multiply
    2,002,380.94x = 2,761,071.87 × 1,276,078.78
  4. Step 4: Simplify right side
    2,002,380.94x = 3,523,345,223,361.92
  5. Step 5: Solve for x
    x = 3,523,345,223,361.92/2,002,380.94
  6. Step 6: Final answer
    x = 1,759,577.89

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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.