Home / 3,850,015.85-5,313,021.98-2,131,136.37

Finding the Fourth Proportional to 3,850,015.85, 5,313,021.98 and 2,131,136.37

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Solution

The fourth proportional to 3,850,015.85, 5,313,021.98 and 2,131,136.37 is: 2,940,968.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850,015.85 : 5,313,021.98 = 2,131,136.37 : x
  2. Step 2: Convert to fraction form
    3,850,015.85/5,313,021.98 = 2,131,136.37/x
  3. Step 3: Cross multiply
    3,850,015.85x = 5,313,021.98 × 2,131,136.37
  4. Step 4: Simplify right side
    3,850,015.85x = 11,322,774,357,577.02
  5. Step 5: Solve for x
    x = 11,322,774,357,577.02/3,850,015.85
  6. Step 6: Final answer
    x = 2,940,968.24

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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.