Home / 3,478,979.70-5,218,469.55-3,242,783.70

Finding the Fourth Proportional to 3,478,979.70, 5,218,469.55 and 3,242,783.70

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Solution

The fourth proportional to 3,478,979.70, 5,218,469.55 and 3,242,783.70 is: 4,864,175.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,979.70 : 5,218,469.55 = 3,242,783.70 : x
  2. Step 2: Convert to fraction form
    3,478,979.70/5,218,469.55 = 3,242,783.70/x
  3. Step 3: Cross multiply
    3,478,979.70x = 5,218,469.55 × 3,242,783.70
  4. Step 4: Simplify right side
    3,478,979.70x = 16,922,367,995,686.34
  5. Step 5: Solve for x
    x = 16,922,367,995,686.34/3,478,979.70
  6. Step 6: Final answer
    x = 4,864,175.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.