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Finding the Fourth Proportional to 3,000,330, 4,500,963.84 and 978,104.64

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Solution

The fourth proportional to 3,000,330, 4,500,963.84 and 978,104.64 is: 1,467,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000,330 : 4,500,963.84 = 978,104.64 : x
  2. Step 2: Convert to fraction form
    3,000,330/4,500,963.84 = 978,104.64/x
  3. Step 3: Cross multiply
    3,000,330x = 4,500,963.84 × 978,104.64
  4. Step 4: Simplify right side
    3,000,330x = 4,402,413,616,376.22
  5. Step 5: Solve for x
    x = 4,402,413,616,376.22/3,000,330
  6. Step 6: Final answer
    x = 1,467,309.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.