Home / 3,642,621.28-5,463,856.91-1,213,950.86

Finding the Fourth Proportional to 3,642,621.28, 5,463,856.91 and 1,213,950.86

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Solution

The fourth proportional to 3,642,621.28, 5,463,856.91 and 1,213,950.86 is: 1,820,901.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642,621.28 : 5,463,856.91 = 1,213,950.86 : x
  2. Step 2: Convert to fraction form
    3,642,621.28/5,463,856.91 = 1,213,950.86/x
  3. Step 3: Cross multiply
    3,642,621.28x = 5,463,856.91 × 1,213,950.86
  4. Step 4: Simplify right side
    3,642,621.28x = 6,632,853,794,811.44
  5. Step 5: Solve for x
    x = 6,632,853,794,811.44/3,642,621.28
  6. Step 6: Final answer
    x = 1,820,901.29

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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.