Home / 2,261,338.73-3,120,766.88-1,281,467.55

Finding the Fourth Proportional to 2,261,338.73, 3,120,766.88 and 1,281,467.55

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Solution

The fourth proportional to 2,261,338.73, 3,120,766.88 and 1,281,467.55 is: 1,768,492.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261,338.73 : 3,120,766.88 = 1,281,467.55 : x
  2. Step 2: Convert to fraction form
    2,261,338.73/3,120,766.88 = 1,281,467.55/x
  3. Step 3: Cross multiply
    2,261,338.73x = 3,120,766.88 × 1,281,467.55
  4. Step 4: Simplify right side
    2,261,338.73x = 3,999,161,481,427.41
  5. Step 5: Solve for x
    x = 3,999,161,481,427.41/2,261,338.73
  6. Step 6: Final answer
    x = 1,768,492.90

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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.