Home / 5,387,115.81-7,434,376.82-2,939,884.47

Finding the Fourth Proportional to 5,387,115.81, 7,434,376.82 and 2,939,884.47

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Solution

The fourth proportional to 5,387,115.81, 7,434,376.82 and 2,939,884.47 is: 4,057,126.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,115.81 : 7,434,376.82 = 2,939,884.47 : x
  2. Step 2: Convert to fraction form
    5,387,115.81/7,434,376.82 = 2,939,884.47/x
  3. Step 3: Cross multiply
    5,387,115.81x = 7,434,376.82 × 2,939,884.47
  4. Step 4: Simplify right side
    5,387,115.81x = 21,856,208,942,546.57
  5. Step 5: Solve for x
    x = 21,856,208,942,546.57/5,387,115.81
  6. Step 6: Final answer
    x = 4,057,126.25

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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.