Home / 5,328,362.78-7,990,440.32-2,132,893.34

Finding the Fourth Proportional to 5,328,362.78, 7,990,440.32 and 2,132,893.34

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Solution

The fourth proportional to 5,328,362.78, 7,990,440.32 and 2,132,893.34 is: 3,198,497.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,362.78 : 7,990,440.32 = 2,132,893.34 : x
  2. Step 2: Convert to fraction form
    5,328,362.78/7,990,440.32 = 2,132,893.34/x
  3. Step 3: Cross multiply
    5,328,362.78x = 7,990,440.32 × 2,132,893.34
  4. Step 4: Simplify right side
    5,328,362.78x = 17,042,756,942,195.47
  5. Step 5: Solve for x
    x = 17,042,756,942,195.47/5,328,362.78
  6. Step 6: Final answer
    x = 3,198,497.86

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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.