Home / 2,212,272.78-3,317,671.06-864,085.70

Finding the Fourth Proportional to 2,212,272.78, 3,317,671.06 and 864,085.70

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Solution

The fourth proportional to 2,212,272.78, 3,317,671.06 and 864,085.70 is: 1,295,840.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212,272.78 : 3,317,671.06 = 864,085.70 : x
  2. Step 2: Convert to fraction form
    2,212,272.78/3,317,671.06 = 864,085.70/x
  3. Step 3: Cross multiply
    2,212,272.78x = 3,317,671.06 × 864,085.70
  4. Step 4: Simplify right side
    2,212,272.78x = 2,866,752,120,249.84
  5. Step 5: Solve for x
    x = 2,866,752,120,249.84/2,212,272.78
  6. Step 6: Final answer
    x = 1,295,840.25

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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.