Home / 2,039,390.97-2,814,378.38-1,109,107.56

Finding the Fourth Proportional to 2,039,390.97, 2,814,378.38 and 1,109,107.56

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Solution

The fourth proportional to 2,039,390.97, 2,814,378.38 and 1,109,107.56 is: 1,530,578.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039,390.97 : 2,814,378.38 = 1,109,107.56 : x
  2. Step 2: Convert to fraction form
    2,039,390.97/2,814,378.38 = 1,109,107.56/x
  3. Step 3: Cross multiply
    2,039,390.97x = 2,814,378.38 × 1,109,107.56
  4. Step 4: Simplify right side
    2,039,390.97x = 3,121,448,332,413.02
  5. Step 5: Solve for x
    x = 3,121,448,332,413.02/2,039,390.97
  6. Step 6: Final answer
    x = 1,530,578.68

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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.