Home / 7,984,000.20-11,976,000.30-2,934,654.60

Finding the Fourth Proportional to 7,984,000.20, 11,976,000.30 and 2,934,654.60

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Solution

The fourth proportional to 7,984,000.20, 11,976,000.30 and 2,934,654.60 is: 4,401,981.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984,000.20 : 11,976,000.30 = 2,934,654.60 : x
  2. Step 2: Convert to fraction form
    7,984,000.20/11,976,000.30 = 2,934,654.60/x
  3. Step 3: Cross multiply
    7,984,000.20x = 11,976,000.30 × 2,934,654.60
  4. Step 4: Simplify right side
    7,984,000.20x = 35,145,424,369,996.38
  5. Step 5: Solve for x
    x = 35,145,424,369,996.38/7,984,000.20
  6. Step 6: Final answer
    x = 4,401,981.90

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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.