Home / 2,059,874.40-3,089,811.60-1,422,145.20

Finding the Fourth Proportional to 2,059,874.40, 3,089,811.60 and 1,422,145.20

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Solution

The fourth proportional to 2,059,874.40, 3,089,811.60 and 1,422,145.20 is: 2,133,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059,874.40 : 3,089,811.60 = 1,422,145.20 : x
  2. Step 2: Convert to fraction form
    2,059,874.40/3,089,811.60 = 1,422,145.20/x
  3. Step 3: Cross multiply
    2,059,874.40x = 3,089,811.60 × 1,422,145.20
  4. Step 4: Simplify right side
    2,059,874.40x = 4,394,160,735,844.32
  5. Step 5: Solve for x
    x = 4,394,160,735,844.32/2,059,874.40
  6. Step 6: Final answer
    x = 2,133,217.80

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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.