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Finding the Fourth Proportional to 3,901,993.86, 5,851,537.64 and 1,342,494.30

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Solution

The fourth proportional to 3,901,993.86, 5,851,537.64 and 1,342,494.30 is: 2,013,241.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901,993.86 : 5,851,537.64 = 1,342,494.30 : x
  2. Step 2: Convert to fraction form
    3,901,993.86/5,851,537.64 = 1,342,494.30/x
  3. Step 3: Cross multiply
    3,901,993.86x = 5,851,537.64 × 1,342,494.30
  4. Step 4: Simplify right side
    3,901,993.86x = 7,855,655,927,935.45
  5. Step 5: Solve for x
    x = 7,855,655,927,935.45/3,901,993.86
  6. Step 6: Final answer
    x = 2,013,241.49

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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.