Home / 2,640,245.64-3,961,718.96-1,256,942.73

Finding the Fourth Proportional to 2,640,245.64, 3,961,718.96 and 1,256,942.73

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Solution

The fourth proportional to 2,640,245.64, 3,961,718.96 and 1,256,942.73 is: 1,886,057.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,245.64 : 3,961,718.96 = 1,256,942.73 : x
  2. Step 2: Convert to fraction form
    2,640,245.64/3,961,718.96 = 1,256,942.73/x
  3. Step 3: Cross multiply
    2,640,245.64x = 3,961,718.96 × 1,256,942.73
  4. Step 4: Simplify right side
    2,640,245.64x = 4,979,653,838,790.45
  5. Step 5: Solve for x
    x = 4,979,653,838,790.45/2,640,245.64
  6. Step 6: Final answer
    x = 1,886,057.03

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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.