Home / 2,138,782.62-3,207,106.44-699,278.52

Finding the Fourth Proportional to 2,138,782.62, 3,207,106.44 and 699,278.52

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Solution

The fourth proportional to 2,138,782.62, 3,207,106.44 and 699,278.52 is: 1,048,568.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,782.62 : 3,207,106.44 = 699,278.52 : x
  2. Step 2: Convert to fraction form
    2,138,782.62/3,207,106.44 = 699,278.52/x
  3. Step 3: Cross multiply
    2,138,782.62x = 3,207,106.44 × 699,278.52
  4. Step 4: Simplify right side
    2,138,782.62x = 2,242,660,644,845.67
  5. Step 5: Solve for x
    x = 2,242,660,644,845.67/2,138,782.62
  6. Step 6: Final answer
    x = 1,048,568.76

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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.