Home / 3,718,354-5,131,328.60-2,108,722

Finding the Fourth Proportional to 3,718,354, 5,131,328.60 and 2,108,722

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Solution

The fourth proportional to 3,718,354, 5,131,328.60 and 2,108,722 is: 2,910,036.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718,354 : 5,131,328.60 = 2,108,722 : x
  2. Step 2: Convert to fraction form
    3,718,354/5,131,328.60 = 2,108,722/x
  3. Step 3: Cross multiply
    3,718,354x = 5,131,328.60 × 2,108,722
  4. Step 4: Simplify right side
    3,718,354x = 10,820,545,508,049.20
  5. Step 5: Solve for x
    x = 10,820,545,508,049.20/3,718,354
  6. Step 6: Final answer
    x = 2,910,036.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.