Home / 3,208,072.14-4,812,108.24-1,078,156.32

Finding the Fourth Proportional to 3,208,072.14, 4,812,108.24 and 1,078,156.32

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Solution

The fourth proportional to 3,208,072.14, 4,812,108.24 and 1,078,156.32 is: 1,617,234.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,072.14 : 4,812,108.24 = 1,078,156.32 : x
  2. Step 2: Convert to fraction form
    3,208,072.14/4,812,108.24 = 1,078,156.32/x
  3. Step 3: Cross multiply
    3,208,072.14x = 4,812,108.24 × 1,078,156.32
  4. Step 4: Simplify right side
    3,208,072.14x = 5,188,204,911,480.08
  5. Step 5: Solve for x
    x = 5,188,204,911,480.08/3,208,072.14
  6. Step 6: Final answer
    x = 1,617,234.49

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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.