Home / 3,740,728.23-5,162,205.74-2,021,843.43

Finding the Fourth Proportional to 3,740,728.23, 5,162,205.74 and 2,021,843.43

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Solution

The fourth proportional to 3,740,728.23, 5,162,205.74 and 2,021,843.43 is: 2,790,144.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740,728.23 : 5,162,205.74 = 2,021,843.43 : x
  2. Step 2: Convert to fraction form
    3,740,728.23/5,162,205.74 = 2,021,843.43/x
  3. Step 3: Cross multiply
    3,740,728.23x = 5,162,205.74 × 2,021,843.43
  4. Step 4: Simplify right side
    3,740,728.23x = 10,437,171,749,618.07
  5. Step 5: Solve for x
    x = 10,437,171,749,618.07/3,740,728.23
  6. Step 6: Final answer
    x = 2,790,144.35

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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.