Home / 2,052,785.20-3,079,177.80-1,212,977.20

Finding the Fourth Proportional to 2,052,785.20, 3,079,177.80 and 1,212,977.20

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Solution

The fourth proportional to 2,052,785.20, 3,079,177.80 and 1,212,977.20 is: 1,819,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,052,785.20 : 3,079,177.80 = 1,212,977.20 : x
  2. Step 2: Convert to fraction form
    2,052,785.20/3,079,177.80 = 1,212,977.20/x
  3. Step 3: Cross multiply
    2,052,785.20x = 3,079,177.80 × 1,212,977.20
  4. Step 4: Simplify right side
    2,052,785.20x = 3,734,972,466,146.16
  5. Step 5: Solve for x
    x = 3,734,972,466,146.16/2,052,785.20
  6. Step 6: Final answer
    x = 1,819,465.80

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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.