Home / 2,589,399.20-3,885,265.20-1,241,040.80

Finding the Fourth Proportional to 2,589,399.20, 3,885,265.20 and 1,241,040.80

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Solution

The fourth proportional to 2,589,399.20, 3,885,265.20 and 1,241,040.80 is: 1,862,120.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,399.20 : 3,885,265.20 = 1,241,040.80 : x
  2. Step 2: Convert to fraction form
    2,589,399.20/3,885,265.20 = 1,241,040.80/x
  3. Step 3: Cross multiply
    2,589,399.20x = 3,885,265.20 × 1,241,040.80
  4. Step 4: Simplify right side
    2,589,399.20x = 4,821,772,632,020.16
  5. Step 5: Solve for x
    x = 4,821,772,632,020.16/2,589,399.20
  6. Step 6: Final answer
    x = 1,862,120.23

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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.