Home / 3,809,712.64-5,257,388.16-2,090,861.44

Finding the Fourth Proportional to 3,809,712.64, 5,257,388.16 and 2,090,861.44

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Solution

The fourth proportional to 3,809,712.64, 5,257,388.16 and 2,090,861.44 is: 2,885,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809,712.64 : 5,257,388.16 = 2,090,861.44 : x
  2. Step 2: Convert to fraction form
    3,809,712.64/5,257,388.16 = 2,090,861.44/x
  3. Step 3: Cross multiply
    3,809,712.64x = 5,257,388.16 × 2,090,861.44
  4. Step 4: Simplify right side
    3,809,712.64x = 10,992,470,178,856.55
  5. Step 5: Solve for x
    x = 10,992,470,178,856.55/3,809,712.64
  6. Step 6: Final answer
    x = 2,885,380.40

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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.