Home / 5,230,786.88-7,846,035.26-1,392,642.23

Finding the Fourth Proportional to 5,230,786.88, 7,846,035.26 and 1,392,642.23

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Solution

The fourth proportional to 5,230,786.88, 7,846,035.26 and 1,392,642.23 is: 2,088,924.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230,786.88 : 7,846,035.26 = 1,392,642.23 : x
  2. Step 2: Convert to fraction form
    5,230,786.88/7,846,035.26 = 1,392,642.23/x
  3. Step 3: Cross multiply
    5,230,786.88x = 7,846,035.26 × 1,392,642.23
  4. Step 4: Simplify right side
    5,230,786.88x = 10,926,719,994,951.64
  5. Step 5: Solve for x
    x = 10,926,719,994,951.64/5,230,786.88
  6. Step 6: Final answer
    x = 2,088,924.71

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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.