Home / 3,936,921.03-5,432,951.16-2,126,085.03

Finding the Fourth Proportional to 3,936,921.03, 5,432,951.16 and 2,126,085.03

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Solution

The fourth proportional to 3,936,921.03, 5,432,951.16 and 2,126,085.03 is: 2,933,997.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,921.03 : 5,432,951.16 = 2,126,085.03 : x
  2. Step 2: Convert to fraction form
    3,936,921.03/5,432,951.16 = 2,126,085.03/x
  3. Step 3: Cross multiply
    3,936,921.03x = 5,432,951.16 × 2,126,085.03
  4. Step 4: Simplify right side
    3,936,921.03x = 11,550,916,129,997.13
  5. Step 5: Solve for x
    x = 11,550,916,129,997.13/3,936,921.03
  6. Step 6: Final answer
    x = 2,933,997.42

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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.