Home / 2,121,247.54-3,182,170.15-681,448.14

Finding the Fourth Proportional to 2,121,247.54, 3,182,170.15 and 681,448.14

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Solution

The fourth proportional to 2,121,247.54, 3,182,170.15 and 681,448.14 is: 1,022,268.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,247.54 : 3,182,170.15 = 681,448.14 : x
  2. Step 2: Convert to fraction form
    2,121,247.54/3,182,170.15 = 681,448.14/x
  3. Step 3: Cross multiply
    2,121,247.54x = 3,182,170.15 × 681,448.14
  4. Step 4: Simplify right side
    2,121,247.54x = 2,168,483,930,732.83
  5. Step 5: Solve for x
    x = 2,168,483,930,732.83/2,121,247.54
  6. Step 6: Final answer
    x = 1,022,268.21

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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.