Home / 3,013,605.56-4,520,380.80-1,215,215.48

Finding the Fourth Proportional to 3,013,605.56, 4,520,380.80 and 1,215,215.48

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Solution

The fourth proportional to 3,013,605.56, 4,520,380.80 and 1,215,215.48 is: 1,822,812.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013,605.56 : 4,520,380.80 = 1,215,215.48 : x
  2. Step 2: Convert to fraction form
    3,013,605.56/4,520,380.80 = 1,215,215.48/x
  3. Step 3: Cross multiply
    3,013,605.56x = 4,520,380.80 × 1,215,215.48
  4. Step 4: Simplify right side
    3,013,605.56x = 5,493,236,723,654.78
  5. Step 5: Solve for x
    x = 5,493,236,723,654.78/3,013,605.56
  6. Step 6: Final answer
    x = 1,822,812.11

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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.