Home / 2,787,017.58-4,180,078.89-764,789.22

Finding the Fourth Proportional to 2,787,017.58, 4,180,078.89 and 764,789.22

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Solution

The fourth proportional to 2,787,017.58, 4,180,078.89 and 764,789.22 is: 1,147,061.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,017.58 : 4,180,078.89 = 764,789.22 : x
  2. Step 2: Convert to fraction form
    2,787,017.58/4,180,078.89 = 764,789.22/x
  3. Step 3: Cross multiply
    2,787,017.58x = 4,180,078.89 × 764,789.22
  4. Step 4: Simplify right side
    2,787,017.58x = 3,196,879,273,821.57
  5. Step 5: Solve for x
    x = 3,196,879,273,821.57/2,787,017.58
  6. Step 6: Final answer
    x = 1,147,061.04

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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.