Home / 3,983,138.42-5,952,032.67-2,990,763.36

Finding the Fourth Proportional to 3,983,138.42, 5,952,032.67 and 2,990,763.36

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Solution

The fourth proportional to 3,983,138.42, 5,952,032.67 and 2,990,763.36 is: 4,469,119.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983,138.42 : 5,952,032.67 = 2,990,763.36 : x
  2. Step 2: Convert to fraction form
    3,983,138.42/5,952,032.67 = 2,990,763.36/x
  3. Step 3: Cross multiply
    3,983,138.42x = 5,952,032.67 × 2,990,763.36
  4. Step 4: Simplify right side
    3,983,138.42x = 17,801,121,238,174.33
  5. Step 5: Solve for x
    x = 17,801,121,238,174.33/3,983,138.42
  6. Step 6: Final answer
    x = 4,469,119.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.