Home / 1,628,937.60-2,441,851.20-1,268,908.80

Finding the Fourth Proportional to 1,628,937.60, 2,441,851.20 and 1,268,908.80

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Solution

The fourth proportional to 1,628,937.60, 2,441,851.20 and 1,268,908.80 is: 1,902,151.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,937.60 : 2,441,851.20 = 1,268,908.80 : x
  2. Step 2: Convert to fraction form
    1,628,937.60/2,441,851.20 = 1,268,908.80/x
  3. Step 3: Cross multiply
    1,628,937.60x = 2,441,851.20 × 1,268,908.80
  4. Step 4: Simplify right side
    1,628,937.60x = 3,098,486,475,970.56
  5. Step 5: Solve for x
    x = 3,098,486,475,970.56/1,628,937.60
  6. Step 6: Final answer
    x = 1,902,151.73

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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.