Home / 3,325,530.20-4,990,263.60-2,191,570.70

Finding the Fourth Proportional to 3,325,530.20, 4,990,263.60 and 2,191,570.70

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Solution

The fourth proportional to 3,325,530.20, 4,990,263.60 and 2,191,570.70 is: 3,288,653.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325,530.20 : 4,990,263.60 = 2,191,570.70 : x
  2. Step 2: Convert to fraction form
    3,325,530.20/4,990,263.60 = 2,191,570.70/x
  3. Step 3: Cross multiply
    3,325,530.20x = 4,990,263.60 × 2,191,570.70
  4. Step 4: Simplify right side
    3,325,530.20x = 10,936,515,491,036.52
  5. Step 5: Solve for x
    x = 10,936,515,491,036.52/3,325,530.20
  6. Step 6: Final answer
    x = 3,288,653.19

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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.