Home / 2,655,226.80-3,982,840.20-1,815,418.80

Finding the Fourth Proportional to 2,655,226.80, 3,982,840.20 and 1,815,418.80

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Solution

The fourth proportional to 2,655,226.80, 3,982,840.20 and 1,815,418.80 is: 2,723,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655,226.80 : 3,982,840.20 = 1,815,418.80 : x
  2. Step 2: Convert to fraction form
    2,655,226.80/3,982,840.20 = 1,815,418.80/x
  3. Step 3: Cross multiply
    2,655,226.80x = 3,982,840.20 × 1,815,418.80
  4. Step 4: Simplify right side
    2,655,226.80x = 7,230,522,976,475.76
  5. Step 5: Solve for x
    x = 7,230,522,976,475.76/2,655,226.80
  6. Step 6: Final answer
    x = 2,723,128.20

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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.