Home / 3,579,404.82-4,939,579.44-1,969,772.82

Finding the Fourth Proportional to 3,579,404.82, 4,939,579.44 and 1,969,772.82

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Solution

The fourth proportional to 3,579,404.82, 4,939,579.44 and 1,969,772.82 is: 2,718,286.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579,404.82 : 4,939,579.44 = 1,969,772.82 : x
  2. Step 2: Convert to fraction form
    3,579,404.82/4,939,579.44 = 1,969,772.82/x
  3. Step 3: Cross multiply
    3,579,404.82x = 4,939,579.44 × 1,969,772.82
  4. Step 4: Simplify right side
    3,579,404.82x = 9,729,849,323,142.82
  5. Step 5: Solve for x
    x = 9,729,849,323,142.82/3,579,404.82
  6. Step 6: Final answer
    x = 2,718,286.93

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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.