Home / 2,722,115.70-4,083,173.55-828,611.10

Finding the Fourth Proportional to 2,722,115.70, 4,083,173.55 and 828,611.10

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Solution

The fourth proportional to 2,722,115.70, 4,083,173.55 and 828,611.10 is: 1,242,916.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722,115.70 : 4,083,173.55 = 828,611.10 : x
  2. Step 2: Convert to fraction form
    2,722,115.70/4,083,173.55 = 828,611.10/x
  3. Step 3: Cross multiply
    2,722,115.70x = 4,083,173.55 × 828,611.10
  4. Step 4: Simplify right side
    2,722,115.70x = 3,383,362,926,756.41
  5. Step 5: Solve for x
    x = 3,383,362,926,756.41/2,722,115.70
  6. Step 6: Final answer
    x = 1,242,916.65

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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.