Home / 2,172,874.41-2,998,544.67-1,206,013.05

Finding the Fourth Proportional to 2,172,874.41, 2,998,544.67 and 1,206,013.05

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Solution

The fourth proportional to 2,172,874.41, 2,998,544.67 and 1,206,013.05 is: 1,664,285.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,874.41 : 2,998,544.67 = 1,206,013.05 : x
  2. Step 2: Convert to fraction form
    2,172,874.41/2,998,544.67 = 1,206,013.05/x
  3. Step 3: Cross multiply
    2,172,874.41x = 2,998,544.67 × 1,206,013.05
  4. Step 4: Simplify right side
    2,172,874.41x = 3,616,284,003,027.94
  5. Step 5: Solve for x
    x = 3,616,284,003,027.94/2,172,874.41
  6. Step 6: Final answer
    x = 1,664,285.79

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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.