Home / 5,093,135.22-7,638,081.20-1,680,786.66

Finding the Fourth Proportional to 5,093,135.22, 7,638,081.20 and 1,680,786.66

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Solution

The fourth proportional to 5,093,135.22, 7,638,081.20 and 1,680,786.66 is: 2,520,644.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,093,135.22 : 7,638,081.20 = 1,680,786.66 : x
  2. Step 2: Convert to fraction form
    5,093,135.22/7,638,081.20 = 1,680,786.66/x
  3. Step 3: Cross multiply
    5,093,135.22x = 7,638,081.20 × 1,680,786.66
  4. Step 4: Simplify right side
    5,093,135.22x = 12,837,984,988,956.79
  5. Step 5: Solve for x
    x = 12,837,984,988,956.79/5,093,135.22
  6. Step 6: Final answer
    x = 2,520,644.84

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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.