Home / 1,904,933.27-2,857,288.61-1,393,116.82

Finding the Fourth Proportional to 1,904,933.27, 2,857,288.61 and 1,393,116.82

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Solution

The fourth proportional to 1,904,933.27, 2,857,288.61 and 1,393,116.82 is: 2,089,593.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,933.27 : 2,857,288.61 = 1,393,116.82 : x
  2. Step 2: Convert to fraction form
    1,904,933.27/2,857,288.61 = 1,393,116.82/x
  3. Step 3: Cross multiply
    1,904,933.27x = 2,857,288.61 × 1,393,116.82
  4. Step 4: Simplify right side
    1,904,933.27x = 3,980,536,818,524.99
  5. Step 5: Solve for x
    x = 3,980,536,818,524.99/1,904,933.27
  6. Step 6: Final answer
    x = 2,089,593.83

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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.