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Finding the Fourth Proportional to 3,609,487, 4,981,092.06 and 1,999,855

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Solution

The fourth proportional to 3,609,487, 4,981,092.06 and 1,999,855 is: 2,759,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609,487 : 4,981,092.06 = 1,999,855 : x
  2. Step 2: Convert to fraction form
    3,609,487/4,981,092.06 = 1,999,855/x
  3. Step 3: Cross multiply
    3,609,487x = 4,981,092.06 × 1,999,855
  4. Step 4: Simplify right side
    3,609,487x = 9,961,461,861,651.30
  5. Step 5: Solve for x
    x = 9,961,461,861,651.30/3,609,487
  6. Step 6: Final answer
    x = 2,759,799.90

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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.