Home / 3,229,771.85-4,457,165.39-1,988,912.47

Finding the Fourth Proportional to 3,229,771.85, 4,457,165.39 and 1,988,912.47

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Solution

The fourth proportional to 3,229,771.85, 4,457,165.39 and 1,988,912.47 is: 2,744,748.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229,771.85 : 4,457,165.39 = 1,988,912.47 : x
  2. Step 2: Convert to fraction form
    3,229,771.85/4,457,165.39 = 1,988,912.47/x
  3. Step 3: Cross multiply
    3,229,771.85x = 4,457,165.39 × 1,988,912.47
  4. Step 4: Simplify right side
    3,229,771.85x = 8,864,911,825,023.41
  5. Step 5: Solve for x
    x = 8,864,911,825,023.41/3,229,771.85
  6. Step 6: Final answer
    x = 2,744,748.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.