Home / 2,228,210.85-3,342,542.79-769,067.39

Finding the Fourth Proportional to 2,228,210.85, 3,342,542.79 and 769,067.39

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Solution

The fourth proportional to 2,228,210.85, 3,342,542.79 and 769,067.39 is: 1,153,679.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228,210.85 : 3,342,542.79 = 769,067.39 : x
  2. Step 2: Convert to fraction form
    2,228,210.85/3,342,542.79 = 769,067.39/x
  3. Step 3: Cross multiply
    2,228,210.85x = 3,342,542.79 × 769,067.39
  4. Step 4: Simplify right side
    2,228,210.85x = 2,570,640,642,755.90
  5. Step 5: Solve for x
    x = 2,570,640,642,755.90/2,228,210.85
  6. Step 6: Final answer
    x = 1,153,679.26

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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.