Home / 4,312,997.32-6,468,388.80-1,279,645.58

Finding the Fourth Proportional to 4,312,997.32, 6,468,388.80 and 1,279,645.58

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Solution

The fourth proportional to 4,312,997.32, 6,468,388.80 and 1,279,645.58 is: 1,919,139.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,312,997.32 : 6,468,388.80 = 1,279,645.58 : x
  2. Step 2: Convert to fraction form
    4,312,997.32/6,468,388.80 = 1,279,645.58/x
  3. Step 3: Cross multiply
    4,312,997.32x = 6,468,388.80 × 1,279,645.58
  4. Step 4: Simplify right side
    4,312,997.32x = 8,277,245,137,641.50
  5. Step 5: Solve for x
    x = 8,277,245,137,641.50/4,312,997.32
  6. Step 6: Final answer
    x = 1,919,139.88

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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.