Home / 4,200,150.20-6,296,078.10-2,068,489.40

Finding the Fourth Proportional to 4,200,150.20, 6,296,078.10 and 2,068,489.40

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Solution

The fourth proportional to 4,200,150.20, 6,296,078.10 and 2,068,489.40 is: 3,100,691.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200,150.20 : 6,296,078.10 = 2,068,489.40 : x
  2. Step 2: Convert to fraction form
    4,200,150.20/6,296,078.10 = 2,068,489.40/x
  3. Step 3: Cross multiply
    4,200,150.20x = 6,296,078.10 × 2,068,489.40
  4. Step 4: Simplify right side
    4,200,150.20x = 13,023,370,811,422.14
  5. Step 5: Solve for x
    x = 13,023,370,811,422.14/4,200,150.20
  6. Step 6: Final answer
    x = 3,100,691.69

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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.