Home / 3,819,986.26-5,272,329.88-2,189,486.46

Finding the Fourth Proportional to 3,819,986.26, 5,272,329.88 and 2,189,486.46

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Solution

The fourth proportional to 3,819,986.26, 5,272,329.88 and 2,189,486.46 is: 3,021,920.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,986.26 : 5,272,329.88 = 2,189,486.46 : x
  2. Step 2: Convert to fraction form
    3,819,986.26/5,272,329.88 = 2,189,486.46/x
  3. Step 3: Cross multiply
    3,819,986.26x = 5,272,329.88 × 2,189,486.46
  4. Step 4: Simplify right side
    3,819,986.26x = 11,543,694,884,913.42
  5. Step 5: Solve for x
    x = 11,543,694,884,913.42/3,819,986.26
  6. Step 6: Final answer
    x = 3,021,920.53

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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.