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Finding the Fourth Proportional to 3,607,254, 4,978,167 and 1,997,622

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Solution

The fourth proportional to 3,607,254, 4,978,167 and 1,997,622 is: 2,756,805.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607,254 : 4,978,167 = 1,997,622 : x
  2. Step 2: Convert to fraction form
    3,607,254/4,978,167 = 1,997,622/x
  3. Step 3: Cross multiply
    3,607,254x = 4,978,167 × 1,997,622
  4. Step 4: Simplify right side
    3,607,254x = 9,944,495,918,874
  5. Step 5: Solve for x
    x = 9,944,495,918,874/3,607,254
  6. Step 6: Final answer
    x = 2,756,805.02

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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.