Home / 2,072,135.38-3,108,700.71-792,721.90

Finding the Fourth Proportional to 2,072,135.38, 3,108,700.71 and 792,721.90

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Solution

The fourth proportional to 2,072,135.38, 3,108,700.71 and 792,721.90 is: 1,189,273.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,135.38 : 3,108,700.71 = 792,721.90 : x
  2. Step 2: Convert to fraction form
    2,072,135.38/3,108,700.71 = 792,721.90/x
  3. Step 3: Cross multiply
    2,072,135.38x = 3,108,700.71 × 792,721.90
  4. Step 4: Simplify right side
    2,072,135.38x = 2,464,335,133,362.55
  5. Step 5: Solve for x
    x = 2,464,335,133,362.55/2,072,135.38
  6. Step 6: Final answer
    x = 1,189,273.23

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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.