Home / 3,800,923.28-5,245,358.83-2,169,297.92

Finding the Fourth Proportional to 3,800,923.28, 5,245,358.83 and 2,169,297.92

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Solution

The fourth proportional to 3,800,923.28, 5,245,358.83 and 2,169,297.92 is: 2,993,679.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800,923.28 : 5,245,358.83 = 2,169,297.92 : x
  2. Step 2: Convert to fraction form
    3,800,923.28/5,245,358.83 = 2,169,297.92/x
  3. Step 3: Cross multiply
    3,800,923.28x = 5,245,358.83 × 2,169,297.92
  4. Step 4: Simplify right side
    3,800,923.28x = 11,378,746,019,465.09
  5. Step 5: Solve for x
    x = 11,378,746,019,465.09/3,800,923.28
  6. Step 6: Final answer
    x = 2,993,679.47

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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.