Home / 5,168,112.85-7,751,578.22-1,381,890.97

Finding the Fourth Proportional to 5,168,112.85, 7,751,578.22 and 1,381,890.97

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Solution

The fourth proportional to 5,168,112.85, 7,751,578.22 and 1,381,890.97 is: 2,072,678.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,112.85 : 7,751,578.22 = 1,381,890.97 : x
  2. Step 2: Convert to fraction form
    5,168,112.85/7,751,578.22 = 1,381,890.97/x
  3. Step 3: Cross multiply
    5,168,112.85x = 7,751,578.22 × 1,381,890.97
  4. Step 4: Simplify right side
    5,168,112.85x = 10,711,835,899,799.33
  5. Step 5: Solve for x
    x = 10,711,835,899,799.33/5,168,112.85
  6. Step 6: Final answer
    x = 2,072,678.41

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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.