Home / 3,449,294.72-5,172,680.64-1,318,325.12

Finding the Fourth Proportional to 3,449,294.72, 5,172,680.64 and 1,318,325.12

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Solution

The fourth proportional to 3,449,294.72, 5,172,680.64 and 1,318,325.12 is: 1,977,005.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449,294.72 : 5,172,680.64 = 1,318,325.12 : x
  2. Step 2: Convert to fraction form
    3,449,294.72/5,172,680.64 = 1,318,325.12/x
  3. Step 3: Cross multiply
    3,449,294.72x = 5,172,680.64 × 1,318,325.12
  4. Step 4: Simplify right side
    3,449,294.72x = 6,819,274,825,449.68
  5. Step 5: Solve for x
    x = 6,819,274,825,449.68/3,449,294.72
  6. Step 6: Final answer
    x = 1,977,005.56

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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.