Home / 2,155,389.20-3,233,083.80-1,315,581.20

Finding the Fourth Proportional to 2,155,389.20, 3,233,083.80 and 1,315,581.20

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Solution

The fourth proportional to 2,155,389.20, 3,233,083.80 and 1,315,581.20 is: 1,973,371.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,389.20 : 3,233,083.80 = 1,315,581.20 : x
  2. Step 2: Convert to fraction form
    2,155,389.20/3,233,083.80 = 1,315,581.20/x
  3. Step 3: Cross multiply
    2,155,389.20x = 3,233,083.80 × 1,315,581.20
  4. Step 4: Simplify right side
    2,155,389.20x = 4,253,384,265,304.56
  5. Step 5: Solve for x
    x = 4,253,384,265,304.56/2,155,389.20
  6. Step 6: Final answer
    x = 1,973,371.80

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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.