Home / 3,387,867.11-5,080,722.90-1,112,863.70

Finding the Fourth Proportional to 3,387,867.11, 5,080,722.90 and 1,112,863.70

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Solution

The fourth proportional to 3,387,867.11, 5,080,722.90 and 1,112,863.70 is: 1,668,941.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387,867.11 : 5,080,722.90 = 1,112,863.70 : x
  2. Step 2: Convert to fraction form
    3,387,867.11/5,080,722.90 = 1,112,863.70/x
  3. Step 3: Cross multiply
    3,387,867.11x = 5,080,722.90 × 1,112,863.70
  4. Step 4: Simplify right side
    3,387,867.11x = 5,654,152,059,765.12
  5. Step 5: Solve for x
    x = 5,654,152,059,765.12/3,387,867.11
  6. Step 6: Final answer
    x = 1,668,941.52

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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.