Home / 2,100,542.40-3,154,615.20-1,839,268.80

Finding the Fourth Proportional to 2,100,542.40, 3,154,615.20 and 1,839,268.80

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Solution

The fourth proportional to 2,100,542.40, 3,154,615.20 and 1,839,268.80 is: 2,762,231.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,542.40 : 3,154,615.20 = 1,839,268.80 : x
  2. Step 2: Convert to fraction form
    2,100,542.40/3,154,615.20 = 1,839,268.80/x
  3. Step 3: Cross multiply
    2,100,542.40x = 3,154,615.20 × 1,839,268.80
  4. Step 4: Simplify right side
    2,100,542.40x = 5,802,185,313,365.76
  5. Step 5: Solve for x
    x = 5,802,185,313,365.76/2,100,542.40
  6. Step 6: Final answer
    x = 2,762,231.94

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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.