Home / 2,652,019-3,979,208.94-1,389,551.56

Finding the Fourth Proportional to 2,652,019, 3,979,208.94 and 1,389,551.56

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Solution

The fourth proportional to 2,652,019, 3,979,208.94 and 1,389,551.56 is: 2,084,945.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652,019 : 3,979,208.94 = 1,389,551.56 : x
  2. Step 2: Convert to fraction form
    2,652,019/3,979,208.94 = 1,389,551.56/x
  3. Step 3: Cross multiply
    2,652,019x = 3,979,208.94 × 1,389,551.56
  4. Step 4: Simplify right side
    2,652,019x = 5,529,315,990,142.95
  5. Step 5: Solve for x
    x = 5,529,315,990,142.95/2,652,019
  6. Step 6: Final answer
    x = 2,084,945.84

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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.