Home / 2,660,942.82-3,993,937.67-1,646,997.69

Finding the Fourth Proportional to 2,660,942.82, 3,993,937.67 and 1,646,997.69

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Solution

The fourth proportional to 2,660,942.82, 3,993,937.67 and 1,646,997.69 is: 2,472,058.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,942.82 : 3,993,937.67 = 1,646,997.69 : x
  2. Step 2: Convert to fraction form
    2,660,942.82/3,993,937.67 = 1,646,997.69/x
  3. Step 3: Cross multiply
    2,660,942.82x = 3,993,937.67 × 1,646,997.69
  4. Step 4: Simplify right side
    2,660,942.82x = 6,578,006,108,258.99
  5. Step 5: Solve for x
    x = 6,578,006,108,258.99/2,660,942.82
  6. Step 6: Final answer
    x = 2,472,058.42

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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.