Home / 3,936,939-5,432,975.82-2,126,103

Finding the Fourth Proportional to 3,936,939, 5,432,975.82 and 2,126,103

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Solution

The fourth proportional to 3,936,939, 5,432,975.82 and 2,126,103 is: 2,934,022.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,939 : 5,432,975.82 = 2,126,103 : x
  2. Step 2: Convert to fraction form
    3,936,939/5,432,975.82 = 2,126,103/x
  3. Step 3: Cross multiply
    3,936,939x = 5,432,975.82 × 2,126,103
  4. Step 4: Simplify right side
    3,936,939x = 11,551,066,189,829.46
  5. Step 5: Solve for x
    x = 11,551,066,189,829.46/3,936,939
  6. Step 6: Final answer
    x = 2,934,022.14

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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.