Home / 2,758,331.90-4,135,529.55-1,240,772.60

Finding the Fourth Proportional to 2,758,331.90, 4,135,529.55 and 1,240,772.60

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Solution

The fourth proportional to 2,758,331.90, 4,135,529.55 and 1,240,772.60 is: 1,860,273.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758,331.90 : 4,135,529.55 = 1,240,772.60 : x
  2. Step 2: Convert to fraction form
    2,758,331.90/4,135,529.55 = 1,240,772.60/x
  3. Step 3: Cross multiply
    2,758,331.90x = 4,135,529.55 × 1,240,772.60
  4. Step 4: Simplify right side
    2,758,331.90x = 5,131,251,752,130.33
  5. Step 5: Solve for x
    x = 5,131,251,752,130.33/2,758,331.90
  6. Step 6: Final answer
    x = 1,860,273.51

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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.