Home / 2,821,451.94-3,895,217.66-1,857,384.78

Finding the Fourth Proportional to 2,821,451.94, 3,895,217.66 and 1,857,384.78

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Solution

The fourth proportional to 2,821,451.94, 3,895,217.66 and 1,857,384.78 is: 2,564,253.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,451.94 : 3,895,217.66 = 1,857,384.78 : x
  2. Step 2: Convert to fraction form
    2,821,451.94/3,895,217.66 = 1,857,384.78/x
  3. Step 3: Cross multiply
    2,821,451.94x = 3,895,217.66 × 1,857,384.78
  4. Step 4: Simplify right side
    2,821,451.94x = 7,234,917,976,059.82
  5. Step 5: Solve for x
    x = 7,234,917,976,059.82/2,821,451.94
  6. Step 6: Final answer
    x = 2,564,253.49

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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.