Home / 3,131,839.38-4,321,864.82-1,842,763.26

Finding the Fourth Proportional to 3,131,839.38, 4,321,864.82 and 1,842,763.26

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Solution

The fourth proportional to 3,131,839.38, 4,321,864.82 and 1,842,763.26 is: 2,542,970.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,839.38 : 4,321,864.82 = 1,842,763.26 : x
  2. Step 2: Convert to fraction form
    3,131,839.38/4,321,864.82 = 1,842,763.26/x
  3. Step 3: Cross multiply
    3,131,839.38x = 4,321,864.82 × 1,842,763.26
  4. Step 4: Simplify right side
    3,131,839.38x = 7,964,173,704,982.51
  5. Step 5: Solve for x
    x = 7,964,173,704,982.51/3,131,839.38
  6. Step 6: Final answer
    x = 2,542,970.04

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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.