Home / 7,741,015.78-11,610,165.90-2,948,992.60

Finding the Fourth Proportional to 7,741,015.78, 11,610,165.90 and 2,948,992.60

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Solution

The fourth proportional to 7,741,015.78, 11,610,165.90 and 2,948,992.60 is: 4,422,971.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741,015.78 : 11,610,165.90 = 2,948,992.60 : x
  2. Step 2: Convert to fraction form
    7,741,015.78/11,610,165.90 = 2,948,992.60/x
  3. Step 3: Cross multiply
    7,741,015.78x = 11,610,165.90 × 2,948,992.60
  4. Step 4: Simplify right side
    7,741,015.78x = 34,238,293,323,872.34
  5. Step 5: Solve for x
    x = 34,238,293,323,872.34/7,741,015.78
  6. Step 6: Final answer
    x = 4,422,971.65

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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.