Home / 3,738,007.97-5,158,453.07-2,019,128.50

Finding the Fourth Proportional to 3,738,007.97, 5,158,453.07 and 2,019,128.50

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Solution

The fourth proportional to 3,738,007.97, 5,158,453.07 and 2,019,128.50 is: 2,786,398.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738,007.97 : 5,158,453.07 = 2,019,128.50 : x
  2. Step 2: Convert to fraction form
    3,738,007.97/5,158,453.07 = 2,019,128.50/x
  3. Step 3: Cross multiply
    3,738,007.97x = 5,158,453.07 × 2,019,128.50
  4. Step 4: Simplify right side
    3,738,007.97x = 10,415,579,621,045.38
  5. Step 5: Solve for x
    x = 10,415,579,621,045.38/3,738,007.97
  6. Step 6: Final answer
    x = 2,786,398.45

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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.