Home / 4,985,693.70-7,478,540.55-3,190,604.10

Finding the Fourth Proportional to 4,985,693.70, 7,478,540.55 and 3,190,604.10

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Solution

The fourth proportional to 4,985,693.70, 7,478,540.55 and 3,190,604.10 is: 4,785,906.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985,693.70 : 7,478,540.55 = 3,190,604.10 : x
  2. Step 2: Convert to fraction form
    4,985,693.70/7,478,540.55 = 3,190,604.10/x
  3. Step 3: Cross multiply
    4,985,693.70x = 7,478,540.55 × 3,190,604.10
  4. Step 4: Simplify right side
    4,985,693.70x = 23,861,062,140,846.25
  5. Step 5: Solve for x
    x = 23,861,062,140,846.25/4,985,693.70
  6. Step 6: Final answer
    x = 4,785,906.15

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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.