Home / 1,998,619.48-2,758,116.66-1,080,866.54

Finding the Fourth Proportional to 1,998,619.48, 2,758,116.66 and 1,080,866.54

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Solution

The fourth proportional to 1,998,619.48, 2,758,116.66 and 1,080,866.54 is: 1,491,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,619.48 : 2,758,116.66 = 1,080,866.54 : x
  2. Step 2: Convert to fraction form
    1,998,619.48/2,758,116.66 = 1,080,866.54/x
  3. Step 3: Cross multiply
    1,998,619.48x = 2,758,116.66 × 1,080,866.54
  4. Step 4: Simplify right side
    1,998,619.48x = 2,981,156,014,052.60
  5. Step 5: Solve for x
    x = 2,981,156,014,052.60/1,998,619.48
  6. Step 6: Final answer
    x = 1,491,607.60

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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.