Home / 3,861,183.84-5,328,434.52-2,142,300.30

Finding the Fourth Proportional to 3,861,183.84, 5,328,434.52 and 2,142,300.30

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Solution

The fourth proportional to 3,861,183.84, 5,328,434.52 and 2,142,300.30 is: 2,956,374.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861,183.84 : 5,328,434.52 = 2,142,300.30 : x
  2. Step 2: Convert to fraction form
    3,861,183.84/5,328,434.52 = 2,142,300.30/x
  3. Step 3: Cross multiply
    3,861,183.84x = 5,328,434.52 × 2,142,300.30
  4. Step 4: Simplify right side
    3,861,183.84x = 11,415,106,870,726.35
  5. Step 5: Solve for x
    x = 11,415,106,870,726.35/3,861,183.84
  6. Step 6: Final answer
    x = 2,956,374.87

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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.