Home / 3,287,221.94-4,921,972.59-2,147,160.98

Finding the Fourth Proportional to 3,287,221.94, 4,921,972.59 and 2,147,160.98

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Solution

The fourth proportional to 3,287,221.94, 4,921,972.59 and 2,147,160.98 is: 3,214,954.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287,221.94 : 4,921,972.59 = 2,147,160.98 : x
  2. Step 2: Convert to fraction form
    3,287,221.94/4,921,972.59 = 2,147,160.98/x
  3. Step 3: Cross multiply
    3,287,221.94x = 4,921,972.59 × 2,147,160.98
  4. Step 4: Simplify right side
    3,287,221.94x = 10,568,267,489,877.54
  5. Step 5: Solve for x
    x = 10,568,267,489,877.54/3,287,221.94
  6. Step 6: Final answer
    x = 3,214,954.05

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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.