Home / 3,922,346.88-5,412,800.43-2,180,020.14

Finding the Fourth Proportional to 3,922,346.88, 5,412,800.43 and 2,180,020.14

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Solution

The fourth proportional to 3,922,346.88, 5,412,800.43 and 2,180,020.14 is: 3,008,406.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922,346.88 : 5,412,800.43 = 2,180,020.14 : x
  2. Step 2: Convert to fraction form
    3,922,346.88/5,412,800.43 = 2,180,020.14/x
  3. Step 3: Cross multiply
    3,922,346.88x = 5,412,800.43 × 2,180,020.14
  4. Step 4: Simplify right side
    3,922,346.88x = 11,800,013,951,200.66
  5. Step 5: Solve for x
    x = 11,800,013,951,200.66/3,922,346.88
  6. Step 6: Final answer
    x = 3,008,406.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.