Home / 2,198,415.20-3,297,622.80-1,659,538.40

Finding the Fourth Proportional to 2,198,415.20, 3,297,622.80 and 1,659,538.40

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Solution

The fourth proportional to 2,198,415.20, 3,297,622.80 and 1,659,538.40 is: 2,489,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,415.20 : 3,297,622.80 = 1,659,538.40 : x
  2. Step 2: Convert to fraction form
    2,198,415.20/3,297,622.80 = 1,659,538.40/x
  3. Step 3: Cross multiply
    2,198,415.20x = 3,297,622.80 × 1,659,538.40
  4. Step 4: Simplify right side
    2,198,415.20x = 5,472,531,665,315.52
  5. Step 5: Solve for x
    x = 5,472,531,665,315.52/2,198,415.20
  6. Step 6: Final answer
    x = 2,489,307.60

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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.