Home / 3,861,171.84-5,328,417.96-2,142,288.30

Finding the Fourth Proportional to 3,861,171.84, 5,328,417.96 and 2,142,288.30

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Solution

The fourth proportional to 3,861,171.84, 5,328,417.96 and 2,142,288.30 is: 2,956,358.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861,171.84 : 5,328,417.96 = 2,142,288.30 : x
  2. Step 2: Convert to fraction form
    3,861,171.84/5,328,417.96 = 2,142,288.30/x
  3. Step 3: Cross multiply
    3,861,171.84x = 5,328,417.96 × 2,142,288.30
  4. Step 4: Simplify right side
    3,861,171.84x = 11,415,007,453,217.87
  5. Step 5: Solve for x
    x = 11,415,007,453,217.87/3,861,171.84
  6. Step 6: Final answer
    x = 2,956,358.31

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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.