Home / 3,780,912.42-5,671,359.91-1,620,536.71

Finding the Fourth Proportional to 3,780,912.42, 5,671,359.91 and 1,620,536.71

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Solution

The fourth proportional to 3,780,912.42, 5,671,359.91 and 1,620,536.71 is: 2,430,801.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,912.42 : 5,671,359.91 = 1,620,536.71 : x
  2. Step 2: Convert to fraction form
    3,780,912.42/5,671,359.91 = 1,620,536.71/x
  3. Step 3: Cross multiply
    3,780,912.42x = 5,671,359.91 × 1,620,536.71
  4. Step 4: Simplify right side
    3,780,912.42x = 9,190,646,929,777.30
  5. Step 5: Solve for x
    x = 9,190,646,929,777.30/3,780,912.42
  6. Step 6: Final answer
    x = 2,430,801.33

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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.