Home / 5,059,689.88-7,589,467.82-1,221,491.61

Finding the Fourth Proportional to 5,059,689.88, 7,589,467.82 and 1,221,491.61

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Solution

The fourth proportional to 5,059,689.88, 7,589,467.82 and 1,221,491.61 is: 1,832,221.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,059,689.88 : 7,589,467.82 = 1,221,491.61 : x
  2. Step 2: Convert to fraction form
    5,059,689.88/7,589,467.82 = 1,221,491.61/x
  3. Step 3: Cross multiply
    5,059,689.88x = 7,589,467.82 × 1,221,491.61
  4. Step 4: Simplify right side
    5,059,689.88x = 9,270,471,266,494.99
  5. Step 5: Solve for x
    x = 9,270,471,266,494.99/5,059,689.88
  6. Step 6: Final answer
    x = 1,832,221.24

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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.