Home / 5,100,436.30-7,648,868.40-1,505,251.30

Finding the Fourth Proportional to 5,100,436.30, 7,648,868.40 and 1,505,251.30

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Solution

The fourth proportional to 5,100,436.30, 7,648,868.40 and 1,505,251.30 is: 2,257,349.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100,436.30 : 7,648,868.40 = 1,505,251.30 : x
  2. Step 2: Convert to fraction form
    5,100,436.30/7,648,868.40 = 1,505,251.30/x
  3. Step 3: Cross multiply
    5,100,436.30x = 7,648,868.40 × 1,505,251.30
  4. Step 4: Simplify right side
    5,100,436.30x = 11,513,469,102,628.92
  5. Step 5: Solve for x
    x = 11,513,469,102,628.92/5,100,436.30
  6. Step 6: Final answer
    x = 2,257,349.85

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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.