Home / 3,850,036.72-5,312,986.16-2,131,120.24

Finding the Fourth Proportional to 3,850,036.72, 5,312,986.16 and 2,131,120.24

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Solution

The fourth proportional to 3,850,036.72, 5,312,986.16 and 2,131,120.24 is: 2,940,910.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850,036.72 : 5,312,986.16 = 2,131,120.24 : x
  2. Step 2: Convert to fraction form
    3,850,036.72/5,312,986.16 = 2,131,120.24/x
  3. Step 3: Cross multiply
    3,850,036.72x = 5,312,986.16 × 2,131,120.24
  4. Step 4: Simplify right side
    3,850,036.72x = 11,322,612,340,415.88
  5. Step 5: Solve for x
    x = 11,322,612,340,415.88/3,850,036.72
  6. Step 6: Final answer
    x = 2,940,910.22

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Double scale
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1.5x scale

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.