Home / 2,198,837.80-3,295,632.30-919,442.80

Finding the Fourth Proportional to 2,198,837.80, 3,295,632.30 and 919,442.80

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Solution

The fourth proportional to 2,198,837.80, 3,295,632.30 and 919,442.80 is: 1,378,066.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,837.80 : 3,295,632.30 = 919,442.80 : x
  2. Step 2: Convert to fraction form
    2,198,837.80/3,295,632.30 = 919,442.80/x
  3. Step 3: Cross multiply
    2,198,837.80x = 3,295,632.30 × 919,442.80
  4. Step 4: Simplify right side
    2,198,837.80x = 3,030,145,389,682.44
  5. Step 5: Solve for x
    x = 3,030,145,389,682.44/2,198,837.80
  6. Step 6: Final answer
    x = 1,378,066.81

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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.