Home / 1,617,811.20-2,426,716.80-1,313,380.80

Finding the Fourth Proportional to 1,617,811.20, 2,426,716.80 and 1,313,380.80

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Solution

The fourth proportional to 1,617,811.20, 2,426,716.80 and 1,313,380.80 is: 1,970,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,811.20 : 2,426,716.80 = 1,313,380.80 : x
  2. Step 2: Convert to fraction form
    1,617,811.20/2,426,716.80 = 1,313,380.80/x
  3. Step 3: Cross multiply
    1,617,811.20x = 2,426,716.80 × 1,313,380.80
  4. Step 4: Simplify right side
    1,617,811.20x = 3,187,203,252,157.44
  5. Step 5: Solve for x
    x = 3,187,203,252,157.44/1,617,811.20
  6. Step 6: Final answer
    x = 1,970,071.20

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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.