Home / 3,111,481.87-4,669,404.44-1,289,874.89

Finding the Fourth Proportional to 3,111,481.87, 4,669,404.44 and 1,289,874.89

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Solution

The fourth proportional to 3,111,481.87, 4,669,404.44 and 1,289,874.89 is: 1,935,716.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,481.87 : 4,669,404.44 = 1,289,874.89 : x
  2. Step 2: Convert to fraction form
    3,111,481.87/4,669,404.44 = 1,289,874.89/x
  3. Step 3: Cross multiply
    3,111,481.87x = 4,669,404.44 × 1,289,874.89
  4. Step 4: Simplify right side
    3,111,481.87x = 6,022,947,543,634.65
  5. Step 5: Solve for x
    x = 6,022,947,543,634.65/3,111,481.87
  6. Step 6: Final answer
    x = 1,935,716.74

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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.