Home / 2,787,019.58-4,180,081.88-764,791.22

Finding the Fourth Proportional to 2,787,019.58, 4,180,081.88 and 764,791.22

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Solution

The fourth proportional to 2,787,019.58, 4,180,081.88 and 764,791.22 is: 1,147,064.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,019.58 : 4,180,081.88 = 764,791.22 : x
  2. Step 2: Convert to fraction form
    2,787,019.58/4,180,081.88 = 764,791.22/x
  3. Step 3: Cross multiply
    2,787,019.58x = 4,180,081.88 × 764,791.22
  4. Step 4: Simplify right side
    2,787,019.58x = 3,196,889,920,705.09
  5. Step 5: Solve for x
    x = 3,196,889,920,705.09/2,787,019.58
  6. Step 6: Final answer
    x = 1,147,064.03

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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.