Home / 3,618,843.60-5,428,265.40-2,199,334.80

Finding the Fourth Proportional to 3,618,843.60, 5,428,265.40 and 2,199,334.80

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Solution

The fourth proportional to 3,618,843.60, 5,428,265.40 and 2,199,334.80 is: 3,299,002.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,843.60 : 5,428,265.40 = 2,199,334.80 : x
  2. Step 2: Convert to fraction form
    3,618,843.60/5,428,265.40 = 2,199,334.80/x
  3. Step 3: Cross multiply
    3,618,843.60x = 5,428,265.40 × 2,199,334.80
  4. Step 4: Simplify right side
    3,618,843.60x = 11,938,572,997,855.92
  5. Step 5: Solve for x
    x = 11,938,572,997,855.92/3,618,843.60
  6. Step 6: Final answer
    x = 3,299,002.20

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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.