Home / 2,171,694.24-2,996,936.90-1,191,639.71

Finding the Fourth Proportional to 2,171,694.24, 2,996,936.90 and 1,191,639.71

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Solution

The fourth proportional to 2,171,694.24, 2,996,936.90 and 1,191,639.71 is: 1,644,462.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,694.24 : 2,996,936.90 = 1,191,639.71 : x
  2. Step 2: Convert to fraction form
    2,171,694.24/2,996,936.90 = 1,191,639.71/x
  3. Step 3: Cross multiply
    2,171,694.24x = 2,996,936.90 × 1,191,639.71
  4. Step 4: Simplify right side
    2,171,694.24x = 3,571,269,024,407.09
  5. Step 5: Solve for x
    x = 3,571,269,024,407.09/2,171,694.24
  6. Step 6: Final answer
    x = 1,644,462.17

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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.