Home / 2,278,977.04-3,144,860.40-1,246,279.44

Finding the Fourth Proportional to 2,278,977.04, 3,144,860.40 and 1,246,279.44

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Solution

The fourth proportional to 2,278,977.04, 3,144,860.40 and 1,246,279.44 is: 1,719,795.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,977.04 : 3,144,860.40 = 1,246,279.44 : x
  2. Step 2: Convert to fraction form
    2,278,977.04/3,144,860.40 = 1,246,279.44/x
  3. Step 3: Cross multiply
    2,278,977.04x = 3,144,860.40 × 1,246,279.44
  4. Step 4: Simplify right side
    2,278,977.04x = 3,919,374,858,190.18
  5. Step 5: Solve for x
    x = 3,919,374,858,190.18/2,278,977.04
  6. Step 6: Final answer
    x = 1,719,795.68

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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.