Home / 3,078,126.45-4,247,815.44-1,682,694.15

Finding the Fourth Proportional to 3,078,126.45, 4,247,815.44 and 1,682,694.15

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Solution

The fourth proportional to 3,078,126.45, 4,247,815.44 and 1,682,694.15 is: 2,322,118.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,126.45 : 4,247,815.44 = 1,682,694.15 : x
  2. Step 2: Convert to fraction form
    3,078,126.45/4,247,815.44 = 1,682,694.15/x
  3. Step 3: Cross multiply
    3,078,126.45x = 4,247,815.44 × 1,682,694.15
  4. Step 4: Simplify right side
    3,078,126.45x = 7,147,774,191,167.68
  5. Step 5: Solve for x
    x = 7,147,774,191,167.68/3,078,126.45
  6. Step 6: Final answer
    x = 2,322,118.44

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.