Home / 2,208,272.40-3,312,408.60-1,261,738.80

Finding the Fourth Proportional to 2,208,272.40, 3,312,408.60 and 1,261,738.80

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Solution

The fourth proportional to 2,208,272.40, 3,312,408.60 and 1,261,738.80 is: 1,892,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,272.40 : 3,312,408.60 = 1,261,738.80 : x
  2. Step 2: Convert to fraction form
    2,208,272.40/3,312,408.60 = 1,261,738.80/x
  3. Step 3: Cross multiply
    2,208,272.40x = 3,312,408.60 × 1,261,738.80
  4. Step 4: Simplify right side
    2,208,272.40x = 4,179,394,452,073.68
  5. Step 5: Solve for x
    x = 4,179,394,452,073.68/2,208,272.40
  6. Step 6: Final answer
    x = 1,892,608.20

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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.