Home / 3,107,621.10-4,661,753.44-1,188,520.32

Finding the Fourth Proportional to 3,107,621.10, 4,661,753.44 and 1,188,520.32

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Solution

The fourth proportional to 3,107,621.10, 4,661,753.44 and 1,188,520.32 is: 1,782,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107,621.10 : 4,661,753.44 = 1,188,520.32 : x
  2. Step 2: Convert to fraction form
    3,107,621.10/4,661,753.44 = 1,188,520.32/x
  3. Step 3: Cross multiply
    3,107,621.10x = 4,661,753.44 × 1,188,520.32
  4. Step 4: Simplify right side
    3,107,621.10x = 5,540,588,690,269.90
  5. Step 5: Solve for x
    x = 5,540,588,690,269.90/3,107,621.10
  6. Step 6: Final answer
    x = 1,782,903.55

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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.