Home / 3,388,938.78-5,084,574.57-2,125,286.94

Finding the Fourth Proportional to 3,388,938.78, 5,084,574.57 and 2,125,286.94

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Solution

The fourth proportional to 3,388,938.78, 5,084,574.57 and 2,125,286.94 is: 3,188,661.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388,938.78 : 5,084,574.57 = 2,125,286.94 : x
  2. Step 2: Convert to fraction form
    3,388,938.78/5,084,574.57 = 2,125,286.94/x
  3. Step 3: Cross multiply
    3,388,938.78x = 5,084,574.57 × 2,125,286.94
  4. Step 4: Simplify right side
    3,388,938.78x = 10,806,179,929,077.12
  5. Step 5: Solve for x
    x = 10,806,179,929,077.12/3,388,938.78
  6. Step 6: Final answer
    x = 3,188,661.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.