Home / 6,189,819.20-9,284,728.80-3,922,337.60

Finding the Fourth Proportional to 6,189,819.20, 9,284,728.80 and 3,922,337.60

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Solution

The fourth proportional to 6,189,819.20, 9,284,728.80 and 3,922,337.60 is: 5,883,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189,819.20 : 9,284,728.80 = 3,922,337.60 : x
  2. Step 2: Convert to fraction form
    6,189,819.20/9,284,728.80 = 3,922,337.60/x
  3. Step 3: Cross multiply
    6,189,819.20x = 9,284,728.80 × 3,922,337.60
  4. Step 4: Simplify right side
    6,189,819.20x = 36,417,840,878,042.88
  5. Step 5: Solve for x
    x = 36,417,840,878,042.88/6,189,819.20
  6. Step 6: Final answer
    x = 5,883,506.40

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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.