Home / 2,821,223.96-3,894,480.78-1,904,694.48

Finding the Fourth Proportional to 2,821,223.96, 3,894,480.78 and 1,904,694.48

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Solution

The fourth proportional to 2,821,223.96, 3,894,480.78 and 1,904,694.48 is: 2,629,282.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,223.96 : 3,894,480.78 = 1,904,694.48 : x
  2. Step 2: Convert to fraction form
    2,821,223.96/3,894,480.78 = 1,904,694.48/x
  3. Step 3: Cross multiply
    2,821,223.96x = 3,894,480.78 × 1,904,694.48
  4. Step 4: Simplify right side
    2,821,223.96x = 7,417,796,044,132.09
  5. Step 5: Solve for x
    x = 7,417,796,044,132.09/2,821,223.96
  6. Step 6: Final answer
    x = 2,629,282.95

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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.