Home / 2,209,884.12-3,314,890.26-861,992.28

Finding the Fourth Proportional to 2,209,884.12, 3,314,890.26 and 861,992.28

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Solution

The fourth proportional to 2,209,884.12, 3,314,890.26 and 861,992.28 is: 1,293,013.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,884.12 : 3,314,890.26 = 861,992.28 : x
  2. Step 2: Convert to fraction form
    2,209,884.12/3,314,890.26 = 861,992.28/x
  3. Step 3: Cross multiply
    2,209,884.12x = 3,314,890.26 × 861,992.28
  4. Step 4: Simplify right side
    2,209,884.12x = 2,857,409,813,167.19
  5. Step 5: Solve for x
    x = 2,857,409,813,167.19/2,209,884.12
  6. Step 6: Final answer
    x = 1,293,013.42

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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.