Home / 4,887,905.40-7,331,858.10-3,195,847.80

Finding the Fourth Proportional to 4,887,905.40, 7,331,858.10 and 3,195,847.80

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Solution

The fourth proportional to 4,887,905.40, 7,331,858.10 and 3,195,847.80 is: 4,793,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887,905.40 : 7,331,858.10 = 3,195,847.80 : x
  2. Step 2: Convert to fraction form
    4,887,905.40/7,331,858.10 = 3,195,847.80/x
  3. Step 3: Cross multiply
    4,887,905.40x = 7,331,858.10 × 3,195,847.80
  4. Step 4: Simplify right side
    4,887,905.40x = 23,431,502,578,797.18
  5. Step 5: Solve for x
    x = 23,431,502,578,797.18/4,887,905.40
  6. Step 6: Final answer
    x = 4,793,771.70

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Double scale
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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.