Home / 2,005,919.40-3,008,879.10-743,485.80

Finding the Fourth Proportional to 2,005,919.40, 3,008,879.10 and 743,485.80

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Solution

The fourth proportional to 2,005,919.40, 3,008,879.10 and 743,485.80 is: 1,115,228.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,919.40 : 3,008,879.10 = 743,485.80 : x
  2. Step 2: Convert to fraction form
    2,005,919.40/3,008,879.10 = 743,485.80/x
  3. Step 3: Cross multiply
    2,005,919.40x = 3,008,879.10 × 743,485.80
  4. Step 4: Simplify right side
    2,005,919.40x = 2,237,058,884,766.78
  5. Step 5: Solve for x
    x = 2,237,058,884,766.78/2,005,919.40
  6. Step 6: Final answer
    x = 1,115,228.70

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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.