Home / 3,930,911.56-5,424,655.46-2,212,033.60

Finding the Fourth Proportional to 3,930,911.56, 5,424,655.46 and 2,212,033.60

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Solution

The fourth proportional to 3,930,911.56, 5,424,655.46 and 2,212,033.60 is: 3,052,604.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930,911.56 : 5,424,655.46 = 2,212,033.60 : x
  2. Step 2: Convert to fraction form
    3,930,911.56/5,424,655.46 = 2,212,033.60/x
  3. Step 3: Cross multiply
    3,930,911.56x = 5,424,655.46 × 2,212,033.60
  4. Step 4: Simplify right side
    3,930,911.56x = 11,999,520,145,943.46
  5. Step 5: Solve for x
    x = 11,999,520,145,943.46/3,930,911.56
  6. Step 6: Final answer
    x = 3,052,604.97

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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.