Home / 2,922,611.32-4,383,148.72-872,785.44

Finding the Fourth Proportional to 2,922,611.32, 4,383,148.72 and 872,785.44

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Solution

The fourth proportional to 2,922,611.32, 4,383,148.72 and 872,785.44 is: 1,308,948.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922,611.32 : 4,383,148.72 = 872,785.44 : x
  2. Step 2: Convert to fraction form
    2,922,611.32/4,383,148.72 = 872,785.44/x
  3. Step 3: Cross multiply
    2,922,611.32x = 4,383,148.72 × 872,785.44
  4. Step 4: Simplify right side
    2,922,611.32x = 3,825,548,384,170.64
  5. Step 5: Solve for x
    x = 3,825,548,384,170.64/2,922,611.32
  6. Step 6: Final answer
    x = 1,308,948.73

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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.