Home / 3,758,378.91-5,188,790.45-2,471,438.76

Finding the Fourth Proportional to 3,758,378.91, 5,188,790.45 and 2,471,438.76

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Solution

The fourth proportional to 3,758,378.91, 5,188,790.45 and 2,471,438.76 is: 3,412,050.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758,378.91 : 5,188,790.45 = 2,471,438.76 : x
  2. Step 2: Convert to fraction form
    3,758,378.91/5,188,790.45 = 2,471,438.76/x
  3. Step 3: Cross multiply
    3,758,378.91x = 5,188,790.45 × 2,471,438.76
  4. Step 4: Simplify right side
    3,758,378.91x = 12,823,777,841,826.44
  5. Step 5: Solve for x
    x = 12,823,777,841,826.44/3,758,378.91
  6. Step 6: Final answer
    x = 3,412,050.29

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1.5x scale

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.