Home / 3,768,491.40-5,655,156.30-2,086,801.80

Finding the Fourth Proportional to 3,768,491.40, 5,655,156.30 and 2,086,801.80

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Solution

The fourth proportional to 3,768,491.40, 5,655,156.30 and 2,086,801.80 is: 3,131,542.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768,491.40 : 5,655,156.30 = 2,086,801.80 : x
  2. Step 2: Convert to fraction form
    3,768,491.40/5,655,156.30 = 2,086,801.80/x
  3. Step 3: Cross multiply
    3,768,491.40x = 5,655,156.30 × 2,086,801.80
  4. Step 4: Simplify right side
    3,768,491.40x = 11,801,190,346,121.34
  5. Step 5: Solve for x
    x = 11,801,190,346,121.34/3,768,491.40
  6. Step 6: Final answer
    x = 3,131,542.33

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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.