Home / 3,421,994.80-5,132,992.20-897,905.20

Finding the Fourth Proportional to 3,421,994.80, 5,132,992.20 and 897,905.20

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Solution

The fourth proportional to 3,421,994.80, 5,132,992.20 and 897,905.20 is: 1,346,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421,994.80 : 5,132,992.20 = 897,905.20 : x
  2. Step 2: Convert to fraction form
    3,421,994.80/5,132,992.20 = 897,905.20/x
  3. Step 3: Cross multiply
    3,421,994.80x = 5,132,992.20 × 897,905.20
  4. Step 4: Simplify right side
    3,421,994.80x = 4,608,940,387,939.44
  5. Step 5: Solve for x
    x = 4,608,940,387,939.44/3,421,994.80
  6. Step 6: Final answer
    x = 1,346,857.80

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Double scale
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Similar ratio
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1.5x scale

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.