Home / 3,115,138.96-4,673,202.54-1,318,035.88

Finding the Fourth Proportional to 3,115,138.96, 4,673,202.54 and 1,318,035.88

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Solution

The fourth proportional to 3,115,138.96, 4,673,202.54 and 1,318,035.88 is: 1,977,262.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,138.96 : 4,673,202.54 = 1,318,035.88 : x
  2. Step 2: Convert to fraction form
    3,115,138.96/4,673,202.54 = 1,318,035.88/x
  3. Step 3: Cross multiply
    3,115,138.96x = 4,673,202.54 × 1,318,035.88
  4. Step 4: Simplify right side
    3,115,138.96x = 6,159,448,622,227.14
  5. Step 5: Solve for x
    x = 6,159,448,622,227.14/3,115,138.96
  6. Step 6: Final answer
    x = 1,977,262.88

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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.