Home / 5,426,807.37-8,129,568.87-3,147,542.70

Finding the Fourth Proportional to 5,426,807.37, 8,129,568.87 and 3,147,542.70

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Solution

The fourth proportional to 5,426,807.37, 8,129,568.87 and 3,147,542.70 is: 4,715,141.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426,807.37 : 8,129,568.87 = 3,147,542.70 : x
  2. Step 2: Convert to fraction form
    5,426,807.37/8,129,568.87 = 3,147,542.70/x
  3. Step 3: Cross multiply
    5,426,807.37x = 8,129,568.87 × 3,147,542.70
  4. Step 4: Simplify right side
    5,426,807.37x = 25,588,165,150,915.75
  5. Step 5: Solve for x
    x = 25,588,165,150,915.75/5,426,807.37
  6. Step 6: Final answer
    x = 4,715,141.59

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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.