Home / 1,921,493.09-2,651,716.82-1,050,375.89

Finding the Fourth Proportional to 1,921,493.09, 2,651,716.82 and 1,050,375.89

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Solution

The fourth proportional to 1,921,493.09, 2,651,716.82 and 1,050,375.89 is: 1,449,549.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,493.09 : 2,651,716.82 = 1,050,375.89 : x
  2. Step 2: Convert to fraction form
    1,921,493.09/2,651,716.82 = 1,050,375.89/x
  3. Step 3: Cross multiply
    1,921,493.09x = 2,651,716.82 × 1,050,375.89
  4. Step 4: Simplify right side
    1,921,493.09x = 2,785,299,424,090.70
  5. Step 5: Solve for x
    x = 2,785,299,424,090.70/1,921,493.09
  6. Step 6: Final answer
    x = 1,449,549.54

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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.