Home / 3,840,150.40-5,760,225.60-2,994,121.60

Finding the Fourth Proportional to 3,840,150.40, 5,760,225.60 and 2,994,121.60

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Solution

The fourth proportional to 3,840,150.40, 5,760,225.60 and 2,994,121.60 is: 4,491,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,150.40 : 5,760,225.60 = 2,994,121.60 : x
  2. Step 2: Convert to fraction form
    3,840,150.40/5,760,225.60 = 2,994,121.60/x
  3. Step 3: Cross multiply
    3,840,150.40x = 5,760,225.60 × 2,994,121.60
  4. Step 4: Simplify right side
    3,840,150.40x = 17,246,815,889,832.96
  5. Step 5: Solve for x
    x = 17,246,815,889,832.96/3,840,150.40
  6. Step 6: Final answer
    x = 4,491,182.40

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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.