Home / 3,978,793.80-5,968,190.70-2,983,465.80

Finding the Fourth Proportional to 3,978,793.80, 5,968,190.70 and 2,983,465.80

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Solution

The fourth proportional to 3,978,793.80, 5,968,190.70 and 2,983,465.80 is: 4,475,198.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,978,793.80 : 5,968,190.70 = 2,983,465.80 : x
  2. Step 2: Convert to fraction form
    3,978,793.80/5,968,190.70 = 2,983,465.80/x
  3. Step 3: Cross multiply
    3,978,793.80x = 5,968,190.70 × 2,983,465.80
  4. Step 4: Simplify right side
    3,978,793.80x = 17,805,892,841,328.06
  5. Step 5: Solve for x
    x = 17,805,892,841,328.06/3,978,793.80
  6. Step 6: Final answer
    x = 4,475,198.70

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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.