Home / 2,660,981.62-3,993,995.85-1,647,036.46

Finding the Fourth Proportional to 2,660,981.62, 3,993,995.85 and 1,647,036.46

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Solution

The fourth proportional to 2,660,981.62, 3,993,995.85 and 1,647,036.46 is: 2,472,116.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,981.62 : 3,993,995.85 = 1,647,036.46 : x
  2. Step 2: Convert to fraction form
    2,660,981.62/3,993,995.85 = 1,647,036.46/x
  3. Step 3: Cross multiply
    2,660,981.62x = 3,993,995.85 × 1,647,036.46
  4. Step 4: Simplify right side
    2,660,981.62x = 6,578,256,786,038.69
  5. Step 5: Solve for x
    x = 6,578,256,786,038.69/2,660,981.62
  6. Step 6: Final answer
    x = 2,472,116.58

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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.