Home / 2,213,035.72-3,317,584.21-864,891.76

Finding the Fourth Proportional to 2,213,035.72, 3,317,584.21 and 864,891.76

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Solution

The fourth proportional to 2,213,035.72, 3,317,584.21 and 864,891.76 is: 1,296,567.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213,035.72 : 3,317,584.21 = 864,891.76 : x
  2. Step 2: Convert to fraction form
    2,213,035.72/3,317,584.21 = 864,891.76/x
  3. Step 3: Cross multiply
    2,213,035.72x = 3,317,584.21 × 864,891.76
  4. Step 4: Simplify right side
    2,213,035.72x = 2,869,351,246,335.11
  5. Step 5: Solve for x
    x = 2,869,351,246,335.11/2,213,035.72
  6. Step 6: Final answer
    x = 1,296,567.98

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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.