Home / 3,139,650.91-4,331,481.77-1,814,198.83

Finding the Fourth Proportional to 3,139,650.91, 4,331,481.77 and 1,814,198.83

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Solution

The fourth proportional to 3,139,650.91, 4,331,481.77 and 1,814,198.83 is: 2,502,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,650.91 : 4,331,481.77 = 1,814,198.83 : x
  2. Step 2: Convert to fraction form
    3,139,650.91/4,331,481.77 = 1,814,198.83/x
  3. Step 3: Cross multiply
    3,139,650.91x = 4,331,481.77 × 1,814,198.83
  4. Step 4: Simplify right side
    3,139,650.91x = 7,858,169,137,642.92
  5. Step 5: Solve for x
    x = 7,858,169,137,642.92/3,139,650.91
  6. Step 6: Final answer
    x = 2,502,879.90

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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.