Home / 1,910,508.21-2,865,791.47-490,532.85

Finding the Fourth Proportional to 1,910,508.21, 2,865,791.47 and 490,532.85

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Solution

The fourth proportional to 1,910,508.21, 2,865,791.47 and 490,532.85 is: 735,806.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,508.21 : 2,865,791.47 = 490,532.85 : x
  2. Step 2: Convert to fraction form
    1,910,508.21/2,865,791.47 = 490,532.85/x
  3. Step 3: Cross multiply
    1,910,508.21x = 2,865,791.47 × 490,532.85
  4. Step 4: Simplify right side
    1,910,508.21x = 1,405,764,857,284.79
  5. Step 5: Solve for x
    x = 1,405,764,857,284.79/1,910,508.21
  6. Step 6: Final answer
    x = 735,806.76

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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.