Home / 2,179,821.88-3,269,751.03-759,875.68

Finding the Fourth Proportional to 2,179,821.88, 3,269,751.03 and 759,875.68

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Solution

The fourth proportional to 2,179,821.88, 3,269,751.03 and 759,875.68 is: 1,139,819.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,821.88 : 3,269,751.03 = 759,875.68 : x
  2. Step 2: Convert to fraction form
    2,179,821.88/3,269,751.03 = 759,875.68/x
  3. Step 3: Cross multiply
    2,179,821.88x = 3,269,751.03 × 759,875.68
  4. Step 4: Simplify right side
    2,179,821.88x = 2,484,604,287,351.95
  5. Step 5: Solve for x
    x = 2,484,604,287,351.95/2,179,821.88
  6. Step 6: Final answer
    x = 1,139,819.87

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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.