Home / 3,936,597.72-5,432,505.18-2,217,717.78

Finding the Fourth Proportional to 3,936,597.72, 5,432,505.18 and 2,217,717.78

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Solution

The fourth proportional to 3,936,597.72, 5,432,505.18 and 2,217,717.78 is: 3,060,450.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,597.72 : 5,432,505.18 = 2,217,717.78 : x
  2. Step 2: Convert to fraction form
    3,936,597.72/5,432,505.18 = 2,217,717.78/x
  3. Step 3: Cross multiply
    3,936,597.72x = 5,432,505.18 × 2,217,717.78
  4. Step 4: Simplify right side
    3,936,597.72x = 12,047,763,327,628.10
  5. Step 5: Solve for x
    x = 12,047,763,327,628.10/3,936,597.72
  6. Step 6: Final answer
    x = 3,060,450.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.