Home / 5,761,981.40-7,951,518-3,183,643.80

Finding the Fourth Proportional to 5,761,981.40, 7,951,518 and 3,183,643.80

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Solution

The fourth proportional to 5,761,981.40, 7,951,518 and 3,183,643.80 is: 4,393,419.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,761,981.40 : 7,951,518 = 3,183,643.80 : x
  2. Step 2: Convert to fraction form
    5,761,981.40/7,951,518 = 3,183,643.80/x
  3. Step 3: Cross multiply
    5,761,981.40x = 7,951,518 × 3,183,643.80
  4. Step 4: Simplify right side
    5,761,981.40x = 25,314,800,981,288.40
  5. Step 5: Solve for x
    x = 25,314,800,981,288.40/5,761,981.40
  6. Step 6: Final answer
    x = 4,393,419.42

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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.