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Finding the Fourth Proportional to 2,836,163.60, 4,254,245.40 and 1,940,368.40

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Solution

The fourth proportional to 2,836,163.60, 4,254,245.40 and 1,940,368.40 is: 2,910,552.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836,163.60 : 4,254,245.40 = 1,940,368.40 : x
  2. Step 2: Convert to fraction form
    2,836,163.60/4,254,245.40 = 1,940,368.40/x
  3. Step 3: Cross multiply
    2,836,163.60x = 4,254,245.40 × 1,940,368.40
  4. Step 4: Simplify right side
    2,836,163.60x = 8,254,803,340,005.36
  5. Step 5: Solve for x
    x = 8,254,803,340,005.36/2,836,163.60
  6. Step 6: Final answer
    x = 2,910,552.60

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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.