Home / 3,642,620.28-5,463,855.41-1,213,949.86

Finding the Fourth Proportional to 3,642,620.28, 5,463,855.41 and 1,213,949.86

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Solution

The fourth proportional to 3,642,620.28, 5,463,855.41 and 1,213,949.86 is: 1,820,899.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642,620.28 : 5,463,855.41 = 1,213,949.86 : x
  2. Step 2: Convert to fraction form
    3,642,620.28/5,463,855.41 = 1,213,949.86/x
  3. Step 3: Cross multiply
    3,642,620.28x = 5,463,855.41 × 1,213,949.86
  4. Step 4: Simplify right side
    3,642,620.28x = 6,632,846,510,029.74
  5. Step 5: Solve for x
    x = 6,632,846,510,029.74/3,642,620.28
  6. Step 6: Final answer
    x = 1,820,899.79

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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.