Home / 5,322,519.37-7,983,778.21-1,279,007.19

Finding the Fourth Proportional to 5,322,519.37, 7,983,778.21 and 1,279,007.19

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Solution

The fourth proportional to 5,322,519.37, 7,983,778.21 and 1,279,007.19 is: 1,918,510.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,322,519.37 : 7,983,778.21 = 1,279,007.19 : x
  2. Step 2: Convert to fraction form
    5,322,519.37/7,983,778.21 = 1,279,007.19/x
  3. Step 3: Cross multiply
    5,322,519.37x = 7,983,778.21 × 1,279,007.19
  4. Step 4: Simplify right side
    5,322,519.37x = 10,211,309,715,497.85
  5. Step 5: Solve for x
    x = 10,211,309,715,497.85/5,322,519.37
  6. Step 6: Final answer
    x = 1,918,510.58

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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.