Home / 5,902,245.17-8,145,115.20-3,421,947.86

Finding the Fourth Proportional to 5,902,245.17, 8,145,115.20 and 3,421,947.86

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Solution

The fourth proportional to 5,902,245.17, 8,145,115.20 and 3,421,947.86 is: 4,722,297.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,902,245.17 : 8,145,115.20 = 3,421,947.86 : x
  2. Step 2: Convert to fraction form
    5,902,245.17/8,145,115.20 = 3,421,947.86/x
  3. Step 3: Cross multiply
    5,902,245.17x = 8,145,115.20 × 3,421,947.86
  4. Step 4: Simplify right side
    5,902,245.17x = 27,872,159,489,661.56
  5. Step 5: Solve for x
    x = 27,872,159,489,661.56/5,902,245.17
  6. Step 6: Final answer
    x = 4,722,297.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.