Home / 3,221,926.67-4,446,418.46-1,998,626.40

Finding the Fourth Proportional to 3,221,926.67, 4,446,418.46 and 1,998,626.40

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Solution

The fourth proportional to 3,221,926.67, 4,446,418.46 and 1,998,626.40 is: 2,758,203.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,926.67 : 4,446,418.46 = 1,998,626.40 : x
  2. Step 2: Convert to fraction form
    3,221,926.67/4,446,418.46 = 1,998,626.40/x
  3. Step 3: Cross multiply
    3,221,926.67x = 4,446,418.46 × 1,998,626.40
  4. Step 4: Simplify right side
    3,221,926.67x = 8,886,729,309,610.21
  5. Step 5: Solve for x
    x = 8,886,729,309,610.21/3,221,926.67
  6. Step 6: Final answer
    x = 2,758,203.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.