Home / 2,108,791.80-3,155,814.90-1,931,844.60

Finding the Fourth Proportional to 2,108,791.80, 3,155,814.90 and 1,931,844.60

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Solution

The fourth proportional to 2,108,791.80, 3,155,814.90 and 1,931,844.60 is: 2,891,012.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,791.80 : 3,155,814.90 = 1,931,844.60 : x
  2. Step 2: Convert to fraction form
    2,108,791.80/3,155,814.90 = 1,931,844.60/x
  3. Step 3: Cross multiply
    2,108,791.80x = 3,155,814.90 × 1,931,844.60
  4. Step 4: Simplify right side
    2,108,791.80x = 6,096,543,973,164.54
  5. Step 5: Solve for x
    x = 6,096,543,973,164.54/2,108,791.80
  6. Step 6: Final answer
    x = 2,891,012.75

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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.