Home / 2,080,345.20-3,120,517.80-1,082,943.60

Finding the Fourth Proportional to 2,080,345.20, 3,120,517.80 and 1,082,943.60

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Solution

The fourth proportional to 2,080,345.20, 3,120,517.80 and 1,082,943.60 is: 1,624,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,345.20 : 3,120,517.80 = 1,082,943.60 : x
  2. Step 2: Convert to fraction form
    2,080,345.20/3,120,517.80 = 1,082,943.60/x
  3. Step 3: Cross multiply
    2,080,345.20x = 3,120,517.80 × 1,082,943.60
  4. Step 4: Simplify right side
    2,080,345.20x = 3,379,344,780,196.08
  5. Step 5: Solve for x
    x = 3,379,344,780,196.08/2,080,345.20
  6. Step 6: Final answer
    x = 1,624,415.40

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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.