Home / 1,646,640.90-2,469,961.35-1,226,736.90

Finding the Fourth Proportional to 1,646,640.90, 2,469,961.35 and 1,226,736.90

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Solution

The fourth proportional to 1,646,640.90, 2,469,961.35 and 1,226,736.90 is: 1,840,105.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,640.90 : 2,469,961.35 = 1,226,736.90 : x
  2. Step 2: Convert to fraction form
    1,646,640.90/2,469,961.35 = 1,226,736.90/x
  3. Step 3: Cross multiply
    1,646,640.90x = 2,469,961.35 × 1,226,736.90
  4. Step 4: Simplify right side
    1,646,640.90x = 3,029,992,729,618.82
  5. Step 5: Solve for x
    x = 3,029,992,729,618.82/1,646,640.90
  6. Step 6: Final answer
    x = 1,840,105.35

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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.