Home / 3,838,409.59-5,757,218.77-1,279,348.03

Finding the Fourth Proportional to 3,838,409.59, 5,757,218.77 and 1,279,348.03

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Solution

The fourth proportional to 3,838,409.59, 5,757,218.77 and 1,279,348.03 is: 1,918,890.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838,409.59 : 5,757,218.77 = 1,279,348.03 : x
  2. Step 2: Convert to fraction form
    3,838,409.59/5,757,218.77 = 1,279,348.03/x
  3. Step 3: Cross multiply
    3,838,409.59x = 5,757,218.77 × 1,279,348.03
  4. Step 4: Simplify right side
    3,838,409.59x = 7,365,486,491,678.52
  5. Step 5: Solve for x
    x = 7,365,486,491,678.52/3,838,409.59
  6. Step 6: Final answer
    x = 1,918,890.19

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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.