Home / 5,125,392.72-7,688,163.60-1,338,876

Finding the Fourth Proportional to 5,125,392.72, 7,688,163.60 and 1,338,876

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Solution

The fourth proportional to 5,125,392.72, 7,688,163.60 and 1,338,876 is: 2,008,333.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125,392.72 : 7,688,163.60 = 1,338,876 : x
  2. Step 2: Convert to fraction form
    5,125,392.72/7,688,163.60 = 1,338,876/x
  3. Step 3: Cross multiply
    5,125,392.72x = 7,688,163.60 × 1,338,876
  4. Step 4: Simplify right side
    5,125,392.72x = 10,293,497,728,113.60
  5. Step 5: Solve for x
    x = 10,293,497,728,113.60/5,125,392.72
  6. Step 6: Final answer
    x = 2,008,333.47

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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.