Home / 5,171,972.72-7,137,058.56-2,848,815.23

Finding the Fourth Proportional to 5,171,972.72, 7,137,058.56 and 2,848,815.23

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Solution

The fourth proportional to 5,171,972.72, 7,137,058.56 and 2,848,815.23 is: 3,931,219.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171,972.72 : 7,137,058.56 = 2,848,815.23 : x
  2. Step 2: Convert to fraction form
    5,171,972.72/7,137,058.56 = 2,848,815.23/x
  3. Step 3: Cross multiply
    5,171,972.72x = 7,137,058.56 × 2,848,815.23
  4. Step 4: Simplify right side
    5,171,972.72x = 20,332,161,105,287.22
  5. Step 5: Solve for x
    x = 20,332,161,105,287.22/5,171,972.72
  6. Step 6: Final answer
    x = 3,931,219.71

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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.