Home / 3,115,836.62-4,299,843.82-1,739,168.40

Finding the Fourth Proportional to 3,115,836.62, 4,299,843.82 and 1,739,168.40

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Solution

The fourth proportional to 3,115,836.62, 4,299,843.82 and 1,739,168.40 is: 2,400,046.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,836.62 : 4,299,843.82 = 1,739,168.40 : x
  2. Step 2: Convert to fraction form
    3,115,836.62/4,299,843.82 = 1,739,168.40/x
  3. Step 3: Cross multiply
    3,115,836.62x = 4,299,843.82 × 1,739,168.40
  4. Step 4: Simplify right side
    3,115,836.62x = 7,478,152,496,679.29
  5. Step 5: Solve for x
    x = 7,478,152,496,679.29/3,115,836.62
  6. Step 6: Final answer
    x = 2,400,046.41

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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.