Home / 2,052,757.20-3,079,135.80-1,212,949.20

Finding the Fourth Proportional to 2,052,757.20, 3,079,135.80 and 1,212,949.20

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Solution

The fourth proportional to 2,052,757.20, 3,079,135.80 and 1,212,949.20 is: 1,819,423.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,052,757.20 : 3,079,135.80 = 1,212,949.20 : x
  2. Step 2: Convert to fraction form
    2,052,757.20/3,079,135.80 = 1,212,949.20/x
  3. Step 3: Cross multiply
    2,052,757.20x = 3,079,135.80 × 1,212,949.20
  4. Step 4: Simplify right side
    2,052,757.20x = 3,734,835,305,301.36
  5. Step 5: Solve for x
    x = 3,734,835,305,301.36/2,052,757.20
  6. Step 6: Final answer
    x = 1,819,423.80

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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.