Home / 2,449,721.70-3,674,344.95-743,879.76

Finding the Fourth Proportional to 2,449,721.70, 3,674,344.95 and 743,879.76

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Solution

The fourth proportional to 2,449,721.70, 3,674,344.95 and 743,879.76 is: 1,115,747.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449,721.70 : 3,674,344.95 = 743,879.76 : x
  2. Step 2: Convert to fraction form
    2,449,721.70/3,674,344.95 = 743,879.76/x
  3. Step 3: Cross multiply
    2,449,721.70x = 3,674,344.95 × 743,879.76
  4. Step 4: Simplify right side
    2,449,721.70x = 2,733,270,839,563.21
  5. Step 5: Solve for x
    x = 2,733,270,839,563.21/2,449,721.70
  6. Step 6: Final answer
    x = 1,115,747.49

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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.