Home / 2,081,538.80-3,120,234.60-957,647.60

Finding the Fourth Proportional to 2,081,538.80, 3,120,234.60 and 957,647.60

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Solution

The fourth proportional to 2,081,538.80, 3,120,234.60 and 957,647.60 is: 1,435,517.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,538.80 : 3,120,234.60 = 957,647.60 : x
  2. Step 2: Convert to fraction form
    2,081,538.80/3,120,234.60 = 957,647.60/x
  3. Step 3: Cross multiply
    2,081,538.80x = 3,120,234.60 × 957,647.60
  4. Step 4: Simplify right side
    2,081,538.80x = 2,988,085,176,126.96
  5. Step 5: Solve for x
    x = 2,988,085,176,126.96/2,081,538.80
  6. Step 6: Final answer
    x = 1,435,517.40

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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.