Home / 6,231,998.70-9,347,998.05-1,972,500.30

Finding the Fourth Proportional to 6,231,998.70, 9,347,998.05 and 1,972,500.30

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Solution

The fourth proportional to 6,231,998.70, 9,347,998.05 and 1,972,500.30 is: 2,958,750.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231,998.70 : 9,347,998.05 = 1,972,500.30 : x
  2. Step 2: Convert to fraction form
    6,231,998.70/9,347,998.05 = 1,972,500.30/x
  3. Step 3: Cross multiply
    6,231,998.70x = 9,347,998.05 × 1,972,500.30
  4. Step 4: Simplify right side
    6,231,998.70x = 18,438,928,958,024.42
  5. Step 5: Solve for x
    x = 18,438,928,958,024.42/6,231,998.70
  6. Step 6: Final answer
    x = 2,958,750.45

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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.