Home / 2,682,031.40-4,027,712.70-1,422,319.40

Finding the Fourth Proportional to 2,682,031.40, 4,027,712.70 and 1,422,319.40

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Solution

The fourth proportional to 2,682,031.40, 4,027,712.70 and 1,422,319.40 is: 2,135,953.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682,031.40 : 4,027,712.70 = 1,422,319.40 : x
  2. Step 2: Convert to fraction form
    2,682,031.40/4,027,712.70 = 1,422,319.40/x
  3. Step 3: Cross multiply
    2,682,031.40x = 4,027,712.70 × 1,422,319.40
  4. Step 4: Simplify right side
    2,682,031.40x = 5,728,693,910,836.38
  5. Step 5: Solve for x
    x = 5,728,693,910,836.38/2,682,031.40
  6. Step 6: Final answer
    x = 2,135,953.33

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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.