Home / 3,135,998.80-4,703,998.20-891,845.20

Finding the Fourth Proportional to 3,135,998.80, 4,703,998.20 and 891,845.20

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Solution

The fourth proportional to 3,135,998.80, 4,703,998.20 and 891,845.20 is: 1,337,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135,998.80 : 4,703,998.20 = 891,845.20 : x
  2. Step 2: Convert to fraction form
    3,135,998.80/4,703,998.20 = 891,845.20/x
  3. Step 3: Cross multiply
    3,135,998.80x = 4,703,998.20 × 891,845.20
  4. Step 4: Simplify right side
    3,135,998.80x = 4,195,238,215,478.64
  5. Step 5: Solve for x
    x = 4,195,238,215,478.64/3,135,998.80
  6. Step 6: Final answer
    x = 1,337,767.80

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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.