Home / 2,321,840.28-3,204,078.39-1,289,316.27

Finding the Fourth Proportional to 2,321,840.28, 3,204,078.39 and 1,289,316.27

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Solution

The fourth proportional to 2,321,840.28, 3,204,078.39 and 1,289,316.27 is: 1,779,222.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321,840.28 : 3,204,078.39 = 1,289,316.27 : x
  2. Step 2: Convert to fraction form
    2,321,840.28/3,204,078.39 = 1,289,316.27/x
  3. Step 3: Cross multiply
    2,321,840.28x = 3,204,078.39 × 1,289,316.27
  4. Step 4: Simplify right side
    2,321,840.28x = 4,131,070,398,582.41
  5. Step 5: Solve for x
    x = 4,131,070,398,582.41/2,321,840.28
  6. Step 6: Final answer
    x = 1,779,222.47

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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.