Home / 3,898,343.43-5,379,440.81-2,266,635.02

Finding the Fourth Proportional to 3,898,343.43, 5,379,440.81 and 2,266,635.02

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Solution

The fourth proportional to 3,898,343.43, 5,379,440.81 and 2,266,635.02 is: 3,127,797.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898,343.43 : 5,379,440.81 = 2,266,635.02 : x
  2. Step 2: Convert to fraction form
    3,898,343.43/5,379,440.81 = 2,266,635.02/x
  3. Step 3: Cross multiply
    3,898,343.43x = 5,379,440.81 × 2,266,635.02
  4. Step 4: Simplify right side
    3,898,343.43x = 12,193,228,889,732.79
  5. Step 5: Solve for x
    x = 12,193,228,889,732.79/3,898,343.43
  6. Step 6: Final answer
    x = 3,127,797.51

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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.