Home / 3,509,022.72-5,261,253.12-1,379,315.20

Finding the Fourth Proportional to 3,509,022.72, 5,261,253.12 and 1,379,315.20

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Solution

The fourth proportional to 3,509,022.72, 5,261,253.12 and 1,379,315.20 is: 2,068,076.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509,022.72 : 5,261,253.12 = 1,379,315.20 : x
  2. Step 2: Convert to fraction form
    3,509,022.72/5,261,253.12 = 1,379,315.20/x
  3. Step 3: Cross multiply
    3,509,022.72x = 5,261,253.12 × 1,379,315.20
  4. Step 4: Simplify right side
    3,509,022.72x = 7,256,926,399,463.42
  5. Step 5: Solve for x
    x = 7,256,926,399,463.42/3,509,022.72
  6. Step 6: Final answer
    x = 2,068,076.21

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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.