Home / 2,726,492.40-4,089,738.60-1,305,817.20

Finding the Fourth Proportional to 2,726,492.40, 4,089,738.60 and 1,305,817.20

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Solution

The fourth proportional to 2,726,492.40, 4,089,738.60 and 1,305,817.20 is: 1,958,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726,492.40 : 4,089,738.60 = 1,305,817.20 : x
  2. Step 2: Convert to fraction form
    2,726,492.40/4,089,738.60 = 1,305,817.20/x
  3. Step 3: Cross multiply
    2,726,492.40x = 4,089,738.60 × 1,305,817.20
  4. Step 4: Simplify right side
    2,726,492.40x = 5,340,451,007,383.92
  5. Step 5: Solve for x
    x = 5,340,451,007,383.92/2,726,492.40
  6. Step 6: Final answer
    x = 1,958,725.80

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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.