Home / 5,112,983.58-7,055,912.43-2,821,144.38

Finding the Fourth Proportional to 5,112,983.58, 7,055,912.43 and 2,821,144.38

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Solution

The fourth proportional to 5,112,983.58, 7,055,912.43 and 2,821,144.38 is: 3,893,176.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,983.58 : 7,055,912.43 = 2,821,144.38 : x
  2. Step 2: Convert to fraction form
    5,112,983.58/7,055,912.43 = 2,821,144.38/x
  3. Step 3: Cross multiply
    5,112,983.58x = 7,055,912.43 × 2,821,144.38
  4. Step 4: Simplify right side
    5,112,983.58x = 19,905,747,697,666.64
  5. Step 5: Solve for x
    x = 19,905,747,697,666.64/5,112,983.58
  6. Step 6: Final answer
    x = 3,893,176.54

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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.