Home / 2,079,620.40-3,113,209.80-1,956,586.80

Finding the Fourth Proportional to 2,079,620.40, 3,113,209.80 and 1,956,586.80

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Solution

The fourth proportional to 2,079,620.40, 3,113,209.80 and 1,956,586.80 is: 2,929,027.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,620.40 : 3,113,209.80 = 1,956,586.80 : x
  2. Step 2: Convert to fraction form
    2,079,620.40/3,113,209.80 = 1,956,586.80/x
  3. Step 3: Cross multiply
    2,079,620.40x = 3,113,209.80 × 1,956,586.80
  4. Step 4: Simplify right side
    2,079,620.40x = 6,091,265,200,310.64
  5. Step 5: Solve for x
    x = 6,091,265,200,310.64/2,079,620.40
  6. Step 6: Final answer
    x = 2,929,027.43

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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.