Home / 1,668,845.88-2,500,029.83-1,229,868.38

Finding the Fourth Proportional to 1,668,845.88, 2,500,029.83 and 1,229,868.38

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Solution

The fourth proportional to 1,668,845.88, 2,500,029.83 and 1,229,868.38 is: 1,842,415.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,845.88 : 2,500,029.83 = 1,229,868.38 : x
  2. Step 2: Convert to fraction form
    1,668,845.88/2,500,029.83 = 1,229,868.38/x
  3. Step 3: Cross multiply
    1,668,845.88x = 2,500,029.83 × 1,229,868.38
  4. Step 4: Simplify right side
    1,668,845.88x = 3,074,707,618,324.28
  5. Step 5: Solve for x
    x = 3,074,707,618,324.28/1,668,845.88
  6. Step 6: Final answer
    x = 1,842,415.56

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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.