Home / 5,107,508.91-7,048,416.83-2,815,751.61

Finding the Fourth Proportional to 5,107,508.91, 7,048,416.83 and 2,815,751.61

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Solution

The fourth proportional to 5,107,508.91, 7,048,416.83 and 2,815,751.61 is: 3,885,767.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,508.91 : 7,048,416.83 = 2,815,751.61 : x
  2. Step 2: Convert to fraction form
    5,107,508.91/7,048,416.83 = 2,815,751.61/x
  3. Step 3: Cross multiply
    5,107,508.91x = 7,048,416.83 × 2,815,751.61
  4. Step 4: Simplify right side
    5,107,508.91x = 19,846,591,022,944.84
  5. Step 5: Solve for x
    x = 19,846,591,022,944.84/5,107,508.91
  6. Step 6: Final answer
    x = 3,885,767.28

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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.