Home / 3,838,939.90-5,297,867.81-2,270,416.31

Finding the Fourth Proportional to 3,838,939.90, 5,297,867.81 and 2,270,416.31

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Solution

The fourth proportional to 3,838,939.90, 5,297,867.81 and 2,270,416.31 is: 3,133,251.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838,939.90 : 5,297,867.81 = 2,270,416.31 : x
  2. Step 2: Convert to fraction form
    3,838,939.90/5,297,867.81 = 2,270,416.31/x
  3. Step 3: Cross multiply
    3,838,939.90x = 5,297,867.81 × 2,270,416.31
  4. Step 4: Simplify right side
    3,838,939.90x = 12,028,365,474,587.62
  5. Step 5: Solve for x
    x = 12,028,365,474,587.62/3,838,939.90
  6. Step 6: Final answer
    x = 3,133,251.83

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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.