Home / 3,839,923.68-5,298,993-2,121,007.20

Finding the Fourth Proportional to 3,839,923.68, 5,298,993 and 2,121,007.20

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Solution

The fourth proportional to 3,839,923.68, 5,298,993 and 2,121,007.20 is: 2,926,933.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839,923.68 : 5,298,993 = 2,121,007.20 : x
  2. Step 2: Convert to fraction form
    3,839,923.68/5,298,993 = 2,121,007.20/x
  3. Step 3: Cross multiply
    3,839,923.68x = 5,298,993 × 2,121,007.20
  4. Step 4: Simplify right side
    3,839,923.68x = 11,239,202,305,749.60
  5. Step 5: Solve for x
    x = 11,239,202,305,749.60/3,839,923.68
  6. Step 6: Final answer
    x = 2,926,933.77

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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.