Home / 2,000,845.20-3,003,236.10-991,107.30

Finding the Fourth Proportional to 2,000,845.20, 3,003,236.10 and 991,107.30

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Solution

The fourth proportional to 2,000,845.20, 3,003,236.10 and 991,107.30 is: 1,487,635.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000,845.20 : 3,003,236.10 = 991,107.30 : x
  2. Step 2: Convert to fraction form
    2,000,845.20/3,003,236.10 = 991,107.30/x
  3. Step 3: Cross multiply
    2,000,845.20x = 3,003,236.10 × 991,107.30
  4. Step 4: Simplify right side
    2,000,845.20x = 2,976,529,222,333.53
  5. Step 5: Solve for x
    x = 2,976,529,222,333.53/2,000,845.20
  6. Step 6: Final answer
    x = 1,487,635.94

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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.