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Finding the Fourth Proportional to 2,098,163.82, 2,895,461.32 and 1,180,393.32

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Solution

The fourth proportional to 2,098,163.82, 2,895,461.32 and 1,180,393.32 is: 1,628,940.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098,163.82 : 2,895,461.32 = 1,180,393.32 : x
  2. Step 2: Convert to fraction form
    2,098,163.82/2,895,461.32 = 1,180,393.32/x
  3. Step 3: Cross multiply
    2,098,163.82x = 2,895,461.32 × 1,180,393.32
  4. Step 4: Simplify right side
    2,098,163.82x = 3,417,783,200,446.38
  5. Step 5: Solve for x
    x = 3,417,783,200,446.38/2,098,163.82
  6. Step 6: Final answer
    x = 1,628,940.11

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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.