Home / 6,187,640.77-8,538,879.45-3,434,351.95

Finding the Fourth Proportional to 6,187,640.77, 8,538,879.45 and 3,434,351.95

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Solution

The fourth proportional to 6,187,640.77, 8,538,879.45 and 3,434,351.95 is: 4,739,369.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187,640.77 : 8,538,879.45 = 3,434,351.95 : x
  2. Step 2: Convert to fraction form
    6,187,640.77/8,538,879.45 = 3,434,351.95/x
  3. Step 3: Cross multiply
    6,187,640.77x = 8,538,879.45 × 3,434,351.95
  4. Step 4: Simplify right side
    6,187,640.77x = 29,325,517,289,922.43
  5. Step 5: Solve for x
    x = 29,325,517,289,922.43/6,187,640.77
  6. Step 6: Final answer
    x = 4,739,369.72

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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.