Home / 3,819,986.28-5,272,329.90-2,189,486.46

Finding the Fourth Proportional to 3,819,986.28, 5,272,329.90 and 2,189,486.46

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Solution

The fourth proportional to 3,819,986.28, 5,272,329.90 and 2,189,486.46 is: 3,021,920.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,986.28 : 5,272,329.90 = 2,189,486.46 : x
  2. Step 2: Convert to fraction form
    3,819,986.28/5,272,329.90 = 2,189,486.46/x
  3. Step 3: Cross multiply
    3,819,986.28x = 5,272,329.90 × 2,189,486.46
  4. Step 4: Simplify right side
    3,819,986.28x = 11,543,694,928,703.15
  5. Step 5: Solve for x
    x = 11,543,694,928,703.15/3,819,986.28
  6. Step 6: Final answer
    x = 3,021,920.52

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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.