Home / 2,808,993.15-4,213,489.73-2,780,999.55

Finding the Fourth Proportional to 2,808,993.15, 4,213,489.73 and 2,780,999.55

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Solution

The fourth proportional to 2,808,993.15, 4,213,489.73 and 2,780,999.55 is: 4,171,499.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,993.15 : 4,213,489.73 = 2,780,999.55 : x
  2. Step 2: Convert to fraction form
    2,808,993.15/4,213,489.73 = 2,780,999.55/x
  3. Step 3: Cross multiply
    2,808,993.15x = 4,213,489.73 × 2,780,999.55
  4. Step 4: Simplify right side
    2,808,993.15x = 11,717,713,029,154.62
  5. Step 5: Solve for x
    x = 11,717,713,029,154.62/2,808,993.15
  6. Step 6: Final answer
    x = 4,171,499.33

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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.