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Finding the Fourth Proportional to 2,739,751.92, 4,109,656.14 and 1,223,512.14

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Solution

The fourth proportional to 2,739,751.92, 4,109,656.14 and 1,223,512.14 is: 1,835,280.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739,751.92 : 4,109,656.14 = 1,223,512.14 : x
  2. Step 2: Convert to fraction form
    2,739,751.92/4,109,656.14 = 1,223,512.14/x
  3. Step 3: Cross multiply
    2,739,751.92x = 4,109,656.14 × 1,223,512.14
  4. Step 4: Simplify right side
    2,739,751.92x = 5,028,214,178,515.54
  5. Step 5: Solve for x
    x = 5,028,214,178,515.54/2,739,751.92
  6. Step 6: Final answer
    x = 1,835,280.83

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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.