Home / 2,121,542.42-3,182,418.52-605,448.81

Finding the Fourth Proportional to 2,121,542.42, 3,182,418.52 and 605,448.81

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Solution

The fourth proportional to 2,121,542.42, 3,182,418.52 and 605,448.81 is: 908,203.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,542.42 : 3,182,418.52 = 605,448.81 : x
  2. Step 2: Convert to fraction form
    2,121,542.42/3,182,418.52 = 605,448.81/x
  3. Step 3: Cross multiply
    2,121,542.42x = 3,182,418.52 × 605,448.81
  4. Step 4: Simplify right side
    2,121,542.42x = 1,926,791,504,342.34
  5. Step 5: Solve for x
    x = 1,926,791,504,342.34/2,121,542.42
  6. Step 6: Final answer
    x = 908,203.15

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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.