Home / 3,660,783.60-5,489,620.20-1,768,105.20

Finding the Fourth Proportional to 3,660,783.60, 5,489,620.20 and 1,768,105.20

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Solution

The fourth proportional to 3,660,783.60, 5,489,620.20 and 1,768,105.20 is: 2,651,406.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660,783.60 : 5,489,620.20 = 1,768,105.20 : x
  2. Step 2: Convert to fraction form
    3,660,783.60/5,489,620.20 = 1,768,105.20/x
  3. Step 3: Cross multiply
    3,660,783.60x = 5,489,620.20 × 1,768,105.20
  4. Step 4: Simplify right side
    3,660,783.60x = 9,706,226,021,645.04
  5. Step 5: Solve for x
    x = 9,706,226,021,645.04/3,660,783.60
  6. Step 6: Final answer
    x = 2,651,406.66

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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.