Home / 6,191,996.40-9,280,121.40-2,990,228.40

Finding the Fourth Proportional to 6,191,996.40, 9,280,121.40 and 2,990,228.40

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Solution

The fourth proportional to 6,191,996.40, 9,280,121.40 and 2,990,228.40 is: 4,481,540.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191,996.40 : 9,280,121.40 = 2,990,228.40 : x
  2. Step 2: Convert to fraction form
    6,191,996.40/9,280,121.40 = 2,990,228.40/x
  3. Step 3: Cross multiply
    6,191,996.40x = 9,280,121.40 × 2,990,228.40
  4. Step 4: Simplify right side
    6,191,996.40x = 27,749,682,565,727.76
  5. Step 5: Solve for x
    x = 27,749,682,565,727.76/6,191,996.40
  6. Step 6: Final answer
    x = 4,481,540.49

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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.