Home / 3,427,212.57-4,729,472.87-1,899,286.89

Finding the Fourth Proportional to 3,427,212.57, 4,729,472.87 and 1,899,286.89

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Solution

The fourth proportional to 3,427,212.57, 4,729,472.87 and 1,899,286.89 is: 2,620,971.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427,212.57 : 4,729,472.87 = 1,899,286.89 : x
  2. Step 2: Convert to fraction form
    3,427,212.57/4,729,472.87 = 1,899,286.89/x
  3. Step 3: Cross multiply
    3,427,212.57x = 4,729,472.87 × 1,899,286.89
  4. Step 4: Simplify right side
    3,427,212.57x = 8,982,625,809,105.24
  5. Step 5: Solve for x
    x = 8,982,625,809,105.24/3,427,212.57
  6. Step 6: Final answer
    x = 2,620,971.31

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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.