Home / 2,431,304.40-3,642,145.20-2,132,122.80

Finding the Fourth Proportional to 2,431,304.40, 3,642,145.20 and 2,132,122.80

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Solution

The fourth proportional to 2,431,304.40, 3,642,145.20 and 2,132,122.80 is: 3,193,964.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431,304.40 : 3,642,145.20 = 2,132,122.80 : x
  2. Step 2: Convert to fraction form
    2,431,304.40/3,642,145.20 = 2,132,122.80/x
  3. Step 3: Cross multiply
    2,431,304.40x = 3,642,145.20 × 2,132,122.80
  4. Step 4: Simplify right side
    2,431,304.40x = 7,765,500,821,830.56
  5. Step 5: Solve for x
    x = 7,765,500,821,830.56/2,431,304.40
  6. Step 6: Final answer
    x = 3,193,964.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.