Home / 6,321,480.39-8,723,642.76-3,420,871.23

Finding the Fourth Proportional to 6,321,480.39, 8,723,642.76 and 3,420,871.23

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Solution

The fourth proportional to 6,321,480.39, 8,723,642.76 and 3,420,871.23 is: 4,720,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,480.39 : 8,723,642.76 = 3,420,871.23 : x
  2. Step 2: Convert to fraction form
    6,321,480.39/8,723,642.76 = 3,420,871.23/x
  3. Step 3: Cross multiply
    6,321,480.39x = 8,723,642.76 × 3,420,871.23
  4. Step 4: Simplify right side
    6,321,480.39x = 29,842,458,538,481.79
  5. Step 5: Solve for x
    x = 29,842,458,538,481.79/6,321,480.39
  6. Step 6: Final answer
    x = 4,720,802.20

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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.