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Finding the Fourth Proportional to 3,796,184.54, 5,238,734.54 and 2,077,305.21

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Solution

The fourth proportional to 3,796,184.54, 5,238,734.54 and 2,077,305.21 is: 2,866,681.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,796,184.54 : 5,238,734.54 = 2,077,305.21 : x
  2. Step 2: Convert to fraction form
    3,796,184.54/5,238,734.54 = 2,077,305.21/x
  3. Step 3: Cross multiply
    3,796,184.54x = 5,238,734.54 × 2,077,305.21
  4. Step 4: Simplify right side
    3,796,184.54x = 10,882,450,543,362.43
  5. Step 5: Solve for x
    x = 10,882,450,543,362.43/3,796,184.54
  6. Step 6: Final answer
    x = 2,866,681.12

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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.