Home / 2,560,813.94-3,843,115.43-1,212,983.61

Finding the Fourth Proportional to 2,560,813.94, 3,843,115.43 and 1,212,983.61

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Solution

The fourth proportional to 2,560,813.94, 3,843,115.43 and 1,212,983.61 is: 1,820,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560,813.94 : 3,843,115.43 = 1,212,983.61 : x
  2. Step 2: Convert to fraction form
    2,560,813.94/3,843,115.43 = 1,212,983.61/x
  3. Step 3: Cross multiply
    2,560,813.94x = 3,843,115.43 × 1,212,983.61
  4. Step 4: Simplify right side
    2,560,813.94x = 4,661,636,021,863.18
  5. Step 5: Solve for x
    x = 4,661,636,021,863.18/2,560,813.94
  6. Step 6: Final answer
    x = 1,820,372.80

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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.