Home / 3,871,154.94-5,802,429.69-2,921,446.14

Finding the Fourth Proportional to 3,871,154.94, 5,802,429.69 and 2,921,446.14

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Solution

The fourth proportional to 3,871,154.94, 5,802,429.69 and 2,921,446.14 is: 4,378,922.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871,154.94 : 5,802,429.69 = 2,921,446.14 : x
  2. Step 2: Convert to fraction form
    3,871,154.94/5,802,429.69 = 2,921,446.14/x
  3. Step 3: Cross multiply
    3,871,154.94x = 5,802,429.69 × 2,921,446.14
  4. Step 4: Simplify right side
    3,871,154.94x = 16,951,485,820,471.90
  5. Step 5: Solve for x
    x = 16,951,485,820,471.90/3,871,154.94
  6. Step 6: Final answer
    x = 4,378,922.07

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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.