Home / 6,321,470.10-8,723,628.72-3,420,860.97

Finding the Fourth Proportional to 6,321,470.10, 8,723,628.72 and 3,420,860.97

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Solution

The fourth proportional to 6,321,470.10, 8,723,628.72 and 3,420,860.97 is: 4,720,788.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,470.10 : 8,723,628.72 = 3,420,860.97 : x
  2. Step 2: Convert to fraction form
    6,321,470.10/8,723,628.72 = 3,420,860.97/x
  3. Step 3: Cross multiply
    6,321,470.10x = 8,723,628.72 × 3,420,860.97
  4. Step 4: Simplify right side
    6,321,470.10x = 29,842,321,005,019.06
  5. Step 5: Solve for x
    x = 29,842,321,005,019.06/6,321,470.10
  6. Step 6: Final answer
    x = 4,720,788.13

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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.