Home / 5,145,131.54-7,100,233.00-2,821,976.69

Finding the Fourth Proportional to 5,145,131.54, 7,100,233.00 and 2,821,976.69

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Solution

The fourth proportional to 5,145,131.54, 7,100,233.00 and 2,821,976.69 is: 3,894,301.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145,131.54 : 7,100,233.00 = 2,821,976.69 : x
  2. Step 2: Convert to fraction form
    5,145,131.54/7,100,233.00 = 2,821,976.69/x
  3. Step 3: Cross multiply
    5,145,131.54x = 7,100,233.00 × 2,821,976.69
  4. Step 4: Simplify right side
    5,145,131.54x = 20,036,691,977,012.66
  5. Step 5: Solve for x
    x = 20,036,691,977,012.66/5,145,131.54
  6. Step 6: Final answer
    x = 3,894,301.21

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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.