Home / 2,141,736.96-3,212,616.38-721,805.34

Finding the Fourth Proportional to 2,141,736.96, 3,212,616.38 and 721,805.34

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Solution

The fourth proportional to 2,141,736.96, 3,212,616.38 and 721,805.34 is: 1,082,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,736.96 : 3,212,616.38 = 721,805.34 : x
  2. Step 2: Convert to fraction form
    2,141,736.96/3,212,616.38 = 721,805.34/x
  3. Step 3: Cross multiply
    2,141,736.96x = 3,212,616.38 × 721,805.34
  4. Step 4: Simplify right side
    2,141,736.96x = 2,318,883,658,455.47
  5. Step 5: Solve for x
    x = 2,318,883,658,455.47/2,141,736.96
  6. Step 6: Final answer
    x = 1,082,711.70

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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.