Home / 3,212,519.88-4,817,229.63-1,865,021.70

Finding the Fourth Proportional to 3,212,519.88, 4,817,229.63 and 1,865,021.70

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Solution

The fourth proportional to 3,212,519.88, 4,817,229.63 and 1,865,021.70 is: 2,796,632.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212,519.88 : 4,817,229.63 = 1,865,021.70 : x
  2. Step 2: Convert to fraction form
    3,212,519.88/4,817,229.63 = 1,865,021.70/x
  3. Step 3: Cross multiply
    3,212,519.88x = 4,817,229.63 × 1,865,021.70
  4. Step 4: Simplify right side
    3,212,519.88x = 8,984,237,793,832.97
  5. Step 5: Solve for x
    x = 8,984,237,793,832.97/3,212,519.88
  6. Step 6: Final answer
    x = 2,796,632.59

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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.