Home / 2,321,515.87-3,203,698.57-1,289,025.88

Finding the Fourth Proportional to 2,321,515.87, 3,203,698.57 and 1,289,025.88

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Solution

The fourth proportional to 2,321,515.87, 3,203,698.57 and 1,289,025.88 is: 1,778,859.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321,515.87 : 3,203,698.57 = 1,289,025.88 : x
  2. Step 2: Convert to fraction form
    2,321,515.87/3,203,698.57 = 1,289,025.88/x
  3. Step 3: Cross multiply
    2,321,515.87x = 3,203,698.57 × 1,289,025.88
  4. Step 4: Simplify right side
    2,321,515.87x = 4,129,650,357,217.18
  5. Step 5: Solve for x
    x = 4,129,650,357,217.18/2,321,515.87
  6. Step 6: Final answer
    x = 1,778,859.41

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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.