Home / 2,155,418.20-3,233,127.30-1,315,610.20

Finding the Fourth Proportional to 2,155,418.20, 3,233,127.30 and 1,315,610.20

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Solution

The fourth proportional to 2,155,418.20, 3,233,127.30 and 1,315,610.20 is: 1,973,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,418.20 : 3,233,127.30 = 1,315,610.20 : x
  2. Step 2: Convert to fraction form
    2,155,418.20/3,233,127.30 = 1,315,610.20/x
  3. Step 3: Cross multiply
    2,155,418.20x = 3,233,127.30 × 1,315,610.20
  4. Step 4: Simplify right side
    2,155,418.20x = 4,253,535,253,778.46
  5. Step 5: Solve for x
    x = 4,253,535,253,778.46/2,155,418.20
  6. Step 6: Final answer
    x = 1,973,415.30

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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.