Home / 2,790,539.80-4,185,809.70-1,940,234.20

Finding the Fourth Proportional to 2,790,539.80, 4,185,809.70 and 1,940,234.20

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Solution

The fourth proportional to 2,790,539.80, 4,185,809.70 and 1,940,234.20 is: 2,910,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,539.80 : 4,185,809.70 = 1,940,234.20 : x
  2. Step 2: Convert to fraction form
    2,790,539.80/4,185,809.70 = 1,940,234.20/x
  3. Step 3: Cross multiply
    2,790,539.80x = 4,185,809.70 × 1,940,234.20
  4. Step 4: Simplify right side
    2,790,539.80x = 8,121,451,134,631.74
  5. Step 5: Solve for x
    x = 8,121,451,134,631.74/2,790,539.80
  6. Step 6: Final answer
    x = 2,910,351.30

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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.