Home / 2,290,099.80-3,432,212.10-1,279,219.80

Finding the Fourth Proportional to 2,290,099.80, 3,432,212.10 and 1,279,219.80

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Solution

The fourth proportional to 2,290,099.80, 3,432,212.10 and 1,279,219.80 is: 1,917,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,099.80 : 3,432,212.10 = 1,279,219.80 : x
  2. Step 2: Convert to fraction form
    2,290,099.80/3,432,212.10 = 1,279,219.80/x
  3. Step 3: Cross multiply
    2,290,099.80x = 3,432,212.10 × 1,279,219.80
  4. Step 4: Simplify right side
    2,290,099.80x = 4,390,553,676,119.58
  5. Step 5: Solve for x
    x = 4,390,553,676,119.58/2,290,099.80
  6. Step 6: Final answer
    x = 1,917,188.80

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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.