Home / 2,188,940.70-3,283,422-989,458.68

Finding the Fourth Proportional to 2,188,940.70, 3,283,422 and 989,458.68

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Solution

The fourth proportional to 2,188,940.70, 3,283,422 and 989,458.68 is: 1,484,192.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,940.70 : 3,283,422 = 989,458.68 : x
  2. Step 2: Convert to fraction form
    2,188,940.70/3,283,422 = 989,458.68/x
  3. Step 3: Cross multiply
    2,188,940.70x = 3,283,422 × 989,458.68
  4. Step 4: Simplify right side
    2,188,940.70x = 3,248,810,398,002.96
  5. Step 5: Solve for x
    x = 3,248,810,398,002.96/2,188,940.70
  6. Step 6: Final answer
    x = 1,484,192.97

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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.