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Finding the Fourth Proportional to 6,494,169.78, 9,741,320.01 and 2,900,118.78

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Solution

The fourth proportional to 6,494,169.78, 9,741,320.01 and 2,900,118.78 is: 4,350,207.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,494,169.78 : 9,741,320.01 = 2,900,118.78 : x
  2. Step 2: Convert to fraction form
    6,494,169.78/9,741,320.01 = 2,900,118.78/x
  3. Step 3: Cross multiply
    6,494,169.78x = 9,741,320.01 × 2,900,118.78
  4. Step 4: Simplify right side
    6,494,169.78x = 28,250,985,102,990.79
  5. Step 5: Solve for x
    x = 28,250,985,102,990.79/6,494,169.78
  6. Step 6: Final answer
    x = 4,350,207.35

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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.