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Finding the Fourth Proportional to 6,546,223.44, 9,819,892.44 and 1,998,293.76

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Solution

The fourth proportional to 6,546,223.44, 9,819,892.44 and 1,998,293.76 is: 2,997,610.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,546,223.44 : 9,819,892.44 = 1,998,293.76 : x
  2. Step 2: Convert to fraction form
    6,546,223.44/9,819,892.44 = 1,998,293.76/x
  3. Step 3: Cross multiply
    6,546,223.44x = 9,819,892.44 × 1,998,293.76
  4. Step 4: Simplify right side
    6,546,223.44x = 19,623,029,786,723.17
  5. Step 5: Solve for x
    x = 19,623,029,786,723.17/6,546,223.44
  6. Step 6: Final answer
    x = 2,997,610.75

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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.