Home / 2,175,999.84-3,264,553.44-1,278,200.88

Finding the Fourth Proportional to 2,175,999.84, 3,264,553.44 and 1,278,200.88

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Solution

The fourth proportional to 2,175,999.84, 3,264,553.44 and 1,278,200.88 is: 1,917,626.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,999.84 : 3,264,553.44 = 1,278,200.88 : x
  2. Step 2: Convert to fraction form
    2,175,999.84/3,264,553.44 = 1,278,200.88/x
  3. Step 3: Cross multiply
    2,175,999.84x = 3,264,553.44 × 1,278,200.88
  4. Step 4: Simplify right side
    2,175,999.84x = 4,172,755,079,815.03
  5. Step 5: Solve for x
    x = 4,172,755,079,815.03/2,175,999.84
  6. Step 6: Final answer
    x = 1,917,626.56

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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.