Home / 3,138,942.18-4,707,218.04-1,859,910.60

Finding the Fourth Proportional to 3,138,942.18, 4,707,218.04 and 1,859,910.60

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Solution

The fourth proportional to 3,138,942.18, 4,707,218.04 and 1,859,910.60 is: 2,789,157.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,942.18 : 4,707,218.04 = 1,859,910.60 : x
  2. Step 2: Convert to fraction form
    3,138,942.18/4,707,218.04 = 1,859,910.60/x
  3. Step 3: Cross multiply
    3,138,942.18x = 4,707,218.04 × 1,859,910.60
  4. Step 4: Simplify right side
    3,138,942.18x = 8,755,004,729,107.23
  5. Step 5: Solve for x
    x = 8,755,004,729,107.23/3,138,942.18
  6. Step 6: Final answer
    x = 2,789,157.69

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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.