Home / 2,986,383.60-4,479,575.40-1,922,626.80

Finding the Fourth Proportional to 2,986,383.60, 4,479,575.40 and 1,922,626.80

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Solution

The fourth proportional to 2,986,383.60, 4,479,575.40 and 1,922,626.80 is: 2,883,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,383.60 : 4,479,575.40 = 1,922,626.80 : x
  2. Step 2: Convert to fraction form
    2,986,383.60/4,479,575.40 = 1,922,626.80/x
  3. Step 3: Cross multiply
    2,986,383.60x = 4,479,575.40 × 1,922,626.80
  4. Step 4: Simplify right side
    2,986,383.60x = 8,612,551,716,660.72
  5. Step 5: Solve for x
    x = 8,612,551,716,660.72/2,986,383.60
  6. Step 6: Final answer
    x = 2,883,940.20

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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.