Home / 2,079,764.20-3,120,521.10-1,133,813.80

Finding the Fourth Proportional to 2,079,764.20, 3,120,521.10 and 1,133,813.80

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Solution

The fourth proportional to 2,079,764.20, 3,120,521.10 and 1,133,813.80 is: 1,701,197.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,764.20 : 3,120,521.10 = 1,133,813.80 : x
  2. Step 2: Convert to fraction form
    2,079,764.20/3,120,521.10 = 1,133,813.80/x
  3. Step 3: Cross multiply
    2,079,764.20x = 3,120,521.10 × 1,133,813.80
  4. Step 4: Simplify right side
    2,079,764.20x = 3,538,089,886,371.18
  5. Step 5: Solve for x
    x = 3,538,089,886,371.18/2,079,764.20
  6. Step 6: Final answer
    x = 1,701,197.61

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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.