Home / 2,230,579.20-3,345,868.80-1,605,388.80

Finding the Fourth Proportional to 2,230,579.20, 3,345,868.80 and 1,605,388.80

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Solution

The fourth proportional to 2,230,579.20, 3,345,868.80 and 1,605,388.80 is: 2,408,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230,579.20 : 3,345,868.80 = 1,605,388.80 : x
  2. Step 2: Convert to fraction form
    2,230,579.20/3,345,868.80 = 1,605,388.80/x
  3. Step 3: Cross multiply
    2,230,579.20x = 3,345,868.80 × 1,605,388.80
  4. Step 4: Simplify right side
    2,230,579.20x = 5,371,420,297,789.44
  5. Step 5: Solve for x
    x = 5,371,420,297,789.44/2,230,579.20
  6. Step 6: Final answer
    x = 2,408,083.20

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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.