Home / 2,099,801.72-3,150,203.15-679,858.22

Finding the Fourth Proportional to 2,099,801.72, 3,150,203.15 and 679,858.22

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Solution

The fourth proportional to 2,099,801.72, 3,150,203.15 and 679,858.22 is: 1,019,949.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,801.72 : 3,150,203.15 = 679,858.22 : x
  2. Step 2: Convert to fraction form
    2,099,801.72/3,150,203.15 = 679,858.22/x
  3. Step 3: Cross multiply
    2,099,801.72x = 3,150,203.15 × 679,858.22
  4. Step 4: Simplify right side
    2,099,801.72x = 2,141,691,492,146.02
  5. Step 5: Solve for x
    x = 2,141,691,492,146.02/2,099,801.72
  6. Step 6: Final answer
    x = 1,019,949.40

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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.