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Finding the Fourth Proportional to 3,316,791.24, 4,974,900.12 and 2,019,608.64

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Solution

The fourth proportional to 3,316,791.24, 4,974,900.12 and 2,019,608.64 is: 3,029,238.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316,791.24 : 4,974,900.12 = 2,019,608.64 : x
  2. Step 2: Convert to fraction form
    3,316,791.24/4,974,900.12 = 2,019,608.64/x
  3. Step 3: Cross multiply
    3,316,791.24x = 4,974,900.12 × 2,019,608.64
  4. Step 4: Simplify right side
    3,316,791.24x = 10,047,351,265,489.04
  5. Step 5: Solve for x
    x = 10,047,351,265,489.04/3,316,791.24
  6. Step 6: Final answer
    x = 3,029,238.36

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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.