Home / 2,115,218.88-3,171,739.68-852,707.52

Finding the Fourth Proportional to 2,115,218.88, 3,171,739.68 and 852,707.52

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Solution

The fourth proportional to 2,115,218.88, 3,171,739.68 and 852,707.52 is: 1,278,622.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,218.88 : 3,171,739.68 = 852,707.52 : x
  2. Step 2: Convert to fraction form
    2,115,218.88/3,171,739.68 = 852,707.52/x
  3. Step 3: Cross multiply
    2,115,218.88x = 3,171,739.68 × 852,707.52
  4. Step 4: Simplify right side
    2,115,218.88x = 2,704,566,276,618.39
  5. Step 5: Solve for x
    x = 2,704,566,276,618.39/2,115,218.88
  6. Step 6: Final answer
    x = 1,278,622.42

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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.