Home / 3,936,908.55-5,432,933.87-2,126,072.55

Finding the Fourth Proportional to 3,936,908.55, 5,432,933.87 and 2,126,072.55

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Solution

The fourth proportional to 3,936,908.55, 5,432,933.87 and 2,126,072.55 is: 2,933,980.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,908.55 : 5,432,933.87 = 2,126,072.55 : x
  2. Step 2: Convert to fraction form
    3,936,908.55/5,432,933.87 = 2,126,072.55/x
  3. Step 3: Cross multiply
    3,936,908.55x = 5,432,933.87 × 2,126,072.55
  4. Step 4: Simplify right side
    3,936,908.55x = 11,550,811,566,972.27
  5. Step 5: Solve for x
    x = 11,550,811,566,972.27/3,936,908.55
  6. Step 6: Final answer
    x = 2,933,980.16

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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.