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Finding the Fourth Proportional to 7,952,508, 11,928,762 and 1,968,876

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Solution

The fourth proportional to 7,952,508, 11,928,762 and 1,968,876 is: 2,953,314

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,952,508 : 11,928,762 = 1,968,876 : x
  2. Step 2: Convert to fraction form
    7,952,508/11,928,762 = 1,968,876/x
  3. Step 3: Cross multiply
    7,952,508x = 11,928,762 × 1,968,876
  4. Step 4: Simplify right side
    7,952,508x = 23,486,253,211,512
  5. Step 5: Solve for x
    x = 23,486,253,211,512/7,952,508
  6. Step 6: Final answer
    x = 2,953,314

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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.