Home / 3,625,645.76-5,438,823.72-1,320,765.24

Finding the Fourth Proportional to 3,625,645.76, 5,438,823.72 and 1,320,765.24

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Solution

The fourth proportional to 3,625,645.76, 5,438,823.72 and 1,320,765.24 is: 1,981,277.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625,645.76 : 5,438,823.72 = 1,320,765.24 : x
  2. Step 2: Convert to fraction form
    3,625,645.76/5,438,823.72 = 1,320,765.24/x
  3. Step 3: Cross multiply
    3,625,645.76x = 5,438,823.72 × 1,320,765.24
  4. Step 4: Simplify right side
    3,625,645.76x = 7,183,409,309,259.67
  5. Step 5: Solve for x
    x = 7,183,409,309,259.67/3,625,645.76
  6. Step 6: Final answer
    x = 1,981,277.21

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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.