Home / 2,680,774.40-4,021,161.60-2,207,993.60

Finding the Fourth Proportional to 2,680,774.40, 4,021,161.60 and 2,207,993.60

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Solution

The fourth proportional to 2,680,774.40, 4,021,161.60 and 2,207,993.60 is: 3,311,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,774.40 : 4,021,161.60 = 2,207,993.60 : x
  2. Step 2: Convert to fraction form
    2,680,774.40/4,021,161.60 = 2,207,993.60/x
  3. Step 3: Cross multiply
    2,680,774.40x = 4,021,161.60 × 2,207,993.60
  4. Step 4: Simplify right side
    2,680,774.40x = 8,878,699,077,365.76
  5. Step 5: Solve for x
    x = 8,878,699,077,365.76/2,680,774.40
  6. Step 6: Final answer
    x = 3,311,990.40

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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.