Home / 5,175,967.62-7,142,739.62-2,821,185.66

Finding the Fourth Proportional to 5,175,967.62, 7,142,739.62 and 2,821,185.66

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Solution

The fourth proportional to 5,175,967.62, 7,142,739.62 and 2,821,185.66 is: 3,893,184.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175,967.62 : 7,142,739.62 = 2,821,185.66 : x
  2. Step 2: Convert to fraction form
    5,175,967.62/7,142,739.62 = 2,821,185.66/x
  3. Step 3: Cross multiply
    5,175,967.62x = 7,142,739.62 × 2,821,185.66
  4. Step 4: Simplify right side
    5,175,967.62x = 20,150,994,589,057.85
  5. Step 5: Solve for x
    x = 20,150,994,589,057.85/5,175,967.62
  6. Step 6: Final answer
    x = 3,893,184.05

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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.