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Finding the Fourth Proportional to 5,801,939.22, 8,702,908.80 and 2,015,425.74

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Solution

The fourth proportional to 5,801,939.22, 8,702,908.80 and 2,015,425.74 is: 3,023,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,801,939.22 : 8,702,908.80 = 2,015,425.74 : x
  2. Step 2: Convert to fraction form
    5,801,939.22/8,702,908.80 = 2,015,425.74/x
  3. Step 3: Cross multiply
    5,801,939.22x = 8,702,908.80 × 2,015,425.74
  4. Step 4: Simplify right side
    5,801,939.22x = 17,540,066,408,392.51
  5. Step 5: Solve for x
    x = 17,540,066,408,392.51/5,801,939.22
  6. Step 6: Final answer
    x = 3,023,138.60

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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.