Home / 2,157,930.24-3,237,245.76-810,198.72

Finding the Fourth Proportional to 2,157,930.24, 3,237,245.76 and 810,198.72

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Solution

The fourth proportional to 2,157,930.24, 3,237,245.76 and 810,198.72 is: 1,215,429.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,930.24 : 3,237,245.76 = 810,198.72 : x
  2. Step 2: Convert to fraction form
    2,157,930.24/3,237,245.76 = 810,198.72/x
  3. Step 3: Cross multiply
    2,157,930.24x = 3,237,245.76 × 810,198.72
  4. Step 4: Simplify right side
    2,157,930.24x = 2,622,812,371,077.43
  5. Step 5: Solve for x
    x = 2,622,812,371,077.43/2,157,930.24
  6. Step 6: Final answer
    x = 1,215,429.64

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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.