Home / 1,555,466.22-2,147,521.68-1,192,205.52

Finding the Fourth Proportional to 1,555,466.22, 2,147,521.68 and 1,192,205.52

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Solution

The fourth proportional to 1,555,466.22, 2,147,521.68 and 1,192,205.52 is: 1,645,993.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,466.22 : 2,147,521.68 = 1,192,205.52 : x
  2. Step 2: Convert to fraction form
    1,555,466.22/2,147,521.68 = 1,192,205.52/x
  3. Step 3: Cross multiply
    1,555,466.22x = 2,147,521.68 × 1,192,205.52
  4. Step 4: Simplify right side
    1,555,466.22x = 2,560,287,201,215.67
  5. Step 5: Solve for x
    x = 2,560,287,201,215.67/1,555,466.22
  6. Step 6: Final answer
    x = 1,645,993.44

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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.