Home / 2,682,416.40-4,021,000.20-1,082,844.60

Finding the Fourth Proportional to 2,682,416.40, 4,021,000.20 and 1,082,844.60

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Solution

The fourth proportional to 2,682,416.40, 4,021,000.20 and 1,082,844.60 is: 1,623,207.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682,416.40 : 4,021,000.20 = 1,082,844.60 : x
  2. Step 2: Convert to fraction form
    2,682,416.40/4,021,000.20 = 1,082,844.60/x
  3. Step 3: Cross multiply
    2,682,416.40x = 4,021,000.20 × 1,082,844.60
  4. Step 4: Simplify right side
    2,682,416.40x = 4,354,118,353,168.92
  5. Step 5: Solve for x
    x = 4,354,118,353,168.92/2,682,416.40
  6. Step 6: Final answer
    x = 1,623,207.48

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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.