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Finding the Fourth Proportional to 6,267,868.38, 9,404,459.76 and 3,424,659.03

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Solution

The fourth proportional to 6,267,868.38, 9,404,459.76 and 3,424,659.03 is: 5,138,440.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,267,868.38 : 9,404,459.76 = 3,424,659.03 : x
  2. Step 2: Convert to fraction form
    6,267,868.38/9,404,459.76 = 3,424,659.03/x
  3. Step 3: Cross multiply
    6,267,868.38x = 9,404,459.76 × 3,424,659.03
  4. Step 4: Simplify right side
    6,267,868.38x = 32,207,068,039,355.63
  5. Step 5: Solve for x
    x = 32,207,068,039,355.63/6,267,868.38
  6. Step 6: Final answer
    x = 5,138,440.39

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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.