Home / 3,765,611.10-5,648,416.65-1,206,821.10

Finding the Fourth Proportional to 3,765,611.10, 5,648,416.65 and 1,206,821.10

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Solution

The fourth proportional to 3,765,611.10, 5,648,416.65 and 1,206,821.10 is: 1,810,231.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765,611.10 : 5,648,416.65 = 1,206,821.10 : x
  2. Step 2: Convert to fraction form
    3,765,611.10/5,648,416.65 = 1,206,821.10/x
  3. Step 3: Cross multiply
    3,765,611.10x = 5,648,416.65 × 1,206,821.10
  4. Step 4: Simplify right side
    3,765,611.10x = 6,816,628,394,811.32
  5. Step 5: Solve for x
    x = 6,816,628,394,811.32/3,765,611.10
  6. Step 6: Final answer
    x = 1,810,231.65

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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.