Home / 4,665,145.80-6,997,718.70-4,399,425.30

Finding the Fourth Proportional to 4,665,145.80, 6,997,718.70 and 4,399,425.30

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Solution

The fourth proportional to 4,665,145.80, 6,997,718.70 and 4,399,425.30 is: 6,599,137.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,665,145.80 : 6,997,718.70 = 4,399,425.30 : x
  2. Step 2: Convert to fraction form
    4,665,145.80/6,997,718.70 = 4,399,425.30/x
  3. Step 3: Cross multiply
    4,665,145.80x = 6,997,718.70 × 4,399,425.30
  4. Step 4: Simplify right side
    4,665,145.80x = 30,785,940,691,063.11
  5. Step 5: Solve for x
    x = 30,785,940,691,063.11/4,665,145.80
  6. Step 6: Final answer
    x = 6,599,137.95

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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.