Home / 6,321,518.92-8,723,662.72-3,420,908.16

Finding the Fourth Proportional to 6,321,518.92, 8,723,662.72 and 3,420,908.16

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Solution

The fourth proportional to 6,321,518.92, 8,723,662.72 and 3,420,908.16 is: 4,720,835.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,518.92 : 8,723,662.72 = 3,420,908.16 : x
  2. Step 2: Convert to fraction form
    6,321,518.92/8,723,662.72 = 3,420,908.16/x
  3. Step 3: Cross multiply
    6,321,518.92x = 8,723,662.72 × 3,420,908.16
  4. Step 4: Simplify right side
    6,321,518.92x = 29,842,848,983,935.80
  5. Step 5: Solve for x
    x = 29,842,848,983,935.80/6,321,518.92
  6. Step 6: Final answer
    x = 4,720,835.19

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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.