Home / 1,961,711.46-2,940,979.05-613,179.72

Finding the Fourth Proportional to 1,961,711.46, 2,940,979.05 and 613,179.72

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Solution

The fourth proportional to 1,961,711.46, 2,940,979.05 and 613,179.72 is: 919,273.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,711.46 : 2,940,979.05 = 613,179.72 : x
  2. Step 2: Convert to fraction form
    1,961,711.46/2,940,979.05 = 613,179.72/x
  3. Step 3: Cross multiply
    1,961,711.46x = 2,940,979.05 × 613,179.72
  4. Step 4: Simplify right side
    1,961,711.46x = 1,803,348,710,404.87
  5. Step 5: Solve for x
    x = 1,803,348,710,404.87/1,961,711.46
  6. Step 6: Final answer
    x = 919,273.17

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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.