Home / 3,218,286.96-4,827,430.44-822,136.86

Finding the Fourth Proportional to 3,218,286.96, 4,827,430.44 and 822,136.86

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Solution

The fourth proportional to 3,218,286.96, 4,827,430.44 and 822,136.86 is: 1,233,205.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,286.96 : 4,827,430.44 = 822,136.86 : x
  2. Step 2: Convert to fraction form
    3,218,286.96/4,827,430.44 = 822,136.86/x
  3. Step 3: Cross multiply
    3,218,286.96x = 4,827,430.44 × 822,136.86
  4. Step 4: Simplify right side
    3,218,286.96x = 3,968,808,503,810.02
  5. Step 5: Solve for x
    x = 3,968,808,503,810.02/3,218,286.96
  6. Step 6: Final answer
    x = 1,233,205.29

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.