Home / 6,405,957.12-8,840,332.80-3,505,605.12

Finding the Fourth Proportional to 6,405,957.12, 8,840,332.80 and 3,505,605.12

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Solution

The fourth proportional to 6,405,957.12, 8,840,332.80 and 3,505,605.12 is: 4,837,796.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405,957.12 : 8,840,332.80 = 3,505,605.12 : x
  2. Step 2: Convert to fraction form
    6,405,957.12/8,840,332.80 = 3,505,605.12/x
  3. Step 3: Cross multiply
    6,405,957.12x = 8,840,332.80 × 3,505,605.12
  4. Step 4: Simplify right side
    6,405,957.12x = 30,990,715,926,183.94
  5. Step 5: Solve for x
    x = 30,990,715,926,183.94/6,405,957.12
  6. Step 6: Final answer
    x = 4,837,796.34

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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.