Home / 2,687,229.20-4,030,843.80-889,629.20

Finding the Fourth Proportional to 2,687,229.20, 4,030,843.80 and 889,629.20

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Solution

The fourth proportional to 2,687,229.20, 4,030,843.80 and 889,629.20 is: 1,334,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,229.20 : 4,030,843.80 = 889,629.20 : x
  2. Step 2: Convert to fraction form
    2,687,229.20/4,030,843.80 = 889,629.20/x
  3. Step 3: Cross multiply
    2,687,229.20x = 4,030,843.80 × 889,629.20
  4. Step 4: Simplify right side
    2,687,229.20x = 3,585,956,345,118.96
  5. Step 5: Solve for x
    x = 3,585,956,345,118.96/2,687,229.20
  6. Step 6: Final answer
    x = 1,334,443.80

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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.