Home / 2,368,921.89-3,269,112.20-1,281,193.46

Finding the Fourth Proportional to 2,368,921.89, 3,269,112.20 and 1,281,193.46

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Solution

The fourth proportional to 2,368,921.89, 3,269,112.20 and 1,281,193.46 is: 1,768,046.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368,921.89 : 3,269,112.20 = 1,281,193.46 : x
  2. Step 2: Convert to fraction form
    2,368,921.89/3,269,112.20 = 1,281,193.46/x
  3. Step 3: Cross multiply
    2,368,921.89x = 3,269,112.20 × 1,281,193.46
  4. Step 4: Simplify right side
    2,368,921.89x = 4,188,365,170,646.21
  5. Step 5: Solve for x
    x = 4,188,365,170,646.21/2,368,921.89
  6. Step 6: Final answer
    x = 1,768,046.97

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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.