Home / 3,131,969.92-4,322,287.76-1,755,755.68

Finding the Fourth Proportional to 3,131,969.92, 4,322,287.76 and 1,755,755.68

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Solution

The fourth proportional to 3,131,969.92, 4,322,287.76 and 1,755,755.68 is: 2,423,037.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,969.92 : 4,322,287.76 = 1,755,755.68 : x
  2. Step 2: Convert to fraction form
    3,131,969.92/4,322,287.76 = 1,755,755.68/x
  3. Step 3: Cross multiply
    3,131,969.92x = 4,322,287.76 × 1,755,755.68
  4. Step 4: Simplify right side
    3,131,969.92x = 7,588,881,285,214.48
  5. Step 5: Solve for x
    x = 7,588,881,285,214.48/3,131,969.92
  6. Step 6: Final answer
    x = 2,423,037.73

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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.