Home / 3,936,943.50-5,432,982.10-2,126,107.50

Finding the Fourth Proportional to 3,936,943.50, 5,432,982.10 and 2,126,107.50

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Solution

The fourth proportional to 3,936,943.50, 5,432,982.10 and 2,126,107.50 is: 2,934,028.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,943.50 : 5,432,982.10 = 2,126,107.50 : x
  2. Step 2: Convert to fraction form
    3,936,943.50/5,432,982.10 = 2,126,107.50/x
  3. Step 3: Cross multiply
    3,936,943.50x = 5,432,982.10 × 2,126,107.50
  4. Step 4: Simplify right side
    3,936,943.50x = 11,551,103,990,175.75
  5. Step 5: Solve for x
    x = 11,551,103,990,175.75/3,936,943.50
  6. Step 6: Final answer
    x = 2,934,028.39

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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.