Home / 1,766,717.40-2,646,965.70-1,449,456.60

Finding the Fourth Proportional to 1,766,717.40, 2,646,965.70 and 1,449,456.60

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Solution

The fourth proportional to 1,766,717.40, 2,646,965.70 and 1,449,456.60 is: 2,171,633.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,717.40 : 2,646,965.70 = 1,449,456.60 : x
  2. Step 2: Convert to fraction form
    1,766,717.40/2,646,965.70 = 1,449,456.60/x
  3. Step 3: Cross multiply
    1,766,717.40x = 2,646,965.70 × 1,449,456.60
  4. Step 4: Simplify right side
    1,766,717.40x = 3,836,661,903,838.62
  5. Step 5: Solve for x
    x = 3,836,661,903,838.62/1,766,717.40
  6. Step 6: Final answer
    x = 2,171,633.05

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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.