Home / 2,051,234.40-3,079,621.80-1,199,179.20

Finding the Fourth Proportional to 2,051,234.40, 3,079,621.80 and 1,199,179.20

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Solution

The fourth proportional to 2,051,234.40, 3,079,621.80 and 1,199,179.20 is: 1,800,388.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051,234.40 : 3,079,621.80 = 1,199,179.20 : x
  2. Step 2: Convert to fraction form
    2,051,234.40/3,079,621.80 = 1,199,179.20/x
  3. Step 3: Cross multiply
    2,051,234.40x = 3,079,621.80 × 1,199,179.20
  4. Step 4: Simplify right side
    2,051,234.40x = 3,693,018,406,426.56
  5. Step 5: Solve for x
    x = 3,693,018,406,426.56/2,051,234.40
  6. Step 6: Final answer
    x = 1,800,388.30

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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.