Home / 2,921,829.08-4,379,486.94-1,215,016.52

Finding the Fourth Proportional to 2,921,829.08, 4,379,486.94 and 1,215,016.52

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Solution

The fourth proportional to 2,921,829.08, 4,379,486.94 and 1,215,016.52 is: 1,821,170.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921,829.08 : 4,379,486.94 = 1,215,016.52 : x
  2. Step 2: Convert to fraction form
    2,921,829.08/4,379,486.94 = 1,215,016.52/x
  3. Step 3: Cross multiply
    2,921,829.08x = 4,379,486.94 × 1,215,016.52
  4. Step 4: Simplify right side
    2,921,829.08x = 5,321,148,981,224.25
  5. Step 5: Solve for x
    x = 5,321,148,981,224.25/2,921,829.08
  6. Step 6: Final answer
    x = 1,821,170.52

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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.