Home / 3,415,229.06-5,122,843.56-1,285,790.90

Finding the Fourth Proportional to 3,415,229.06, 5,122,843.56 and 1,285,790.90

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Solution

The fourth proportional to 3,415,229.06, 5,122,843.56 and 1,285,790.90 is: 1,928,686.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415,229.06 : 5,122,843.56 = 1,285,790.90 : x
  2. Step 2: Convert to fraction form
    3,415,229.06/5,122,843.56 = 1,285,790.90/x
  3. Step 3: Cross multiply
    3,415,229.06x = 5,122,843.56 × 1,285,790.90
  4. Step 4: Simplify right side
    3,415,229.06x = 6,586,905,605,957.39
  5. Step 5: Solve for x
    x = 6,586,905,605,957.39/3,415,229.06
  6. Step 6: Final answer
    x = 1,928,686.33

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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.