Home / 5,470,579.71-8,198,534.43-4,257,620.91

Finding the Fourth Proportional to 5,470,579.71, 8,198,534.43 and 4,257,620.91

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Solution

The fourth proportional to 5,470,579.71, 8,198,534.43 and 4,257,620.91 is: 6,380,722.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470,579.71 : 8,198,534.43 = 4,257,620.91 : x
  2. Step 2: Convert to fraction form
    5,470,579.71/8,198,534.43 = 4,257,620.91/x
  3. Step 3: Cross multiply
    5,470,579.71x = 8,198,534.43 × 4,257,620.91
  4. Step 4: Simplify right side
    5,470,579.71x = 34,906,251,620,522.93
  5. Step 5: Solve for x
    x = 34,906,251,620,522.93/5,470,579.71
  6. Step 6: Final answer
    x = 6,380,722.61

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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.