Home / 5,515,513.92-8,281,019.34-2,821,771.44

Finding the Fourth Proportional to 5,515,513.92, 8,281,019.34 and 2,821,771.44

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Solution

The fourth proportional to 5,515,513.92, 8,281,019.34 and 2,821,771.44 is: 4,236,621.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515,513.92 : 8,281,019.34 = 2,821,771.44 : x
  2. Step 2: Convert to fraction form
    5,515,513.92/8,281,019.34 = 2,821,771.44/x
  3. Step 3: Cross multiply
    5,515,513.92x = 8,281,019.34 × 2,821,771.44
  4. Step 4: Simplify right side
    5,515,513.92x = 23,367,143,867,699.65
  5. Step 5: Solve for x
    x = 23,367,143,867,699.65/5,515,513.92
  6. Step 6: Final answer
    x = 4,236,621.32

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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.