Home / 2,238,961.20-3,089,759.13-1,220,365.92

Finding the Fourth Proportional to 2,238,961.20, 3,089,759.13 and 1,220,365.92

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Solution

The fourth proportional to 2,238,961.20, 3,089,759.13 and 1,220,365.92 is: 1,684,100.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,961.20 : 3,089,759.13 = 1,220,365.92 : x
  2. Step 2: Convert to fraction form
    2,238,961.20/3,089,759.13 = 1,220,365.92/x
  3. Step 3: Cross multiply
    2,238,961.20x = 3,089,759.13 × 1,220,365.92
  4. Step 4: Simplify right side
    2,238,961.20x = 3,770,636,743,260.85
  5. Step 5: Solve for x
    x = 3,770,636,743,260.85/2,238,961.20
  6. Step 6: Final answer
    x = 1,684,100.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.