Home / 3,927,171.82-5,419,529.40-2,208,277.30

Finding the Fourth Proportional to 3,927,171.82, 5,419,529.40 and 2,208,277.30

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Solution

The fourth proportional to 3,927,171.82, 5,419,529.40 and 2,208,277.30 is: 3,047,440.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927,171.82 : 5,419,529.40 = 2,208,277.30 : x
  2. Step 2: Convert to fraction form
    3,927,171.82/5,419,529.40 = 2,208,277.30/x
  3. Step 3: Cross multiply
    3,927,171.82x = 5,419,529.40 × 2,208,277.30
  4. Step 4: Simplify right side
    3,927,171.82x = 11,967,823,750,702.62
  5. Step 5: Solve for x
    x = 11,967,823,750,702.62/3,927,171.82
  6. Step 6: Final answer
    x = 3,047,440.83

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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.