Home / 6,399,270.80-9,598,906.20-4,698,659.60

Finding the Fourth Proportional to 6,399,270.80, 9,598,906.20 and 4,698,659.60

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Solution

The fourth proportional to 6,399,270.80, 9,598,906.20 and 4,698,659.60 is: 7,047,989.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399,270.80 : 9,598,906.20 = 4,698,659.60 : x
  2. Step 2: Convert to fraction form
    6,399,270.80/9,598,906.20 = 4,698,659.60/x
  3. Step 3: Cross multiply
    6,399,270.80x = 9,598,906.20 × 4,698,659.60
  4. Step 4: Simplify right side
    6,399,270.80x = 45,101,992,766,129.52
  5. Step 5: Solve for x
    x = 45,101,992,766,129.52/6,399,270.80
  6. Step 6: Final answer
    x = 7,047,989.40

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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.