Home / 2,418,145.20-3,629,550.60-1,221,418.80

Finding the Fourth Proportional to 2,418,145.20, 3,629,550.60 and 1,221,418.80

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Solution

The fourth proportional to 2,418,145.20, 3,629,550.60 and 1,221,418.80 is: 1,833,306.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418,145.20 : 3,629,550.60 = 1,221,418.80 : x
  2. Step 2: Convert to fraction form
    2,418,145.20/3,629,550.60 = 1,221,418.80/x
  3. Step 3: Cross multiply
    2,418,145.20x = 3,629,550.60 × 1,221,418.80
  4. Step 4: Simplify right side
    2,418,145.20x = 4,433,201,338,391.28
  5. Step 5: Solve for x
    x = 4,433,201,338,391.28/2,418,145.20
  6. Step 6: Final answer
    x = 1,833,306.51

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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.