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Finding the Fourth Proportional to 4,998,841.82, 7,493,213.46 and 1,968,334.15

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Solution

The fourth proportional to 4,998,841.82, 7,493,213.46 and 1,968,334.15 is: 2,950,513.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998,841.82 : 7,493,213.46 = 1,968,334.15 : x
  2. Step 2: Convert to fraction form
    4,998,841.82/7,493,213.46 = 1,968,334.15/x
  3. Step 3: Cross multiply
    4,998,841.82x = 7,493,213.46 × 1,968,334.15
  4. Step 4: Simplify right side
    4,998,841.82x = 14,749,147,946,557.66
  5. Step 5: Solve for x
    x = 14,749,147,946,557.66/4,998,841.82
  6. Step 6: Final answer
    x = 2,950,513.03

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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.