Home / 3,218,285.96-4,827,428.94-822,135.86

Finding the Fourth Proportional to 3,218,285.96, 4,827,428.94 and 822,135.86

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Solution

The fourth proportional to 3,218,285.96, 4,827,428.94 and 822,135.86 is: 1,233,203.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,285.96 : 4,827,428.94 = 822,135.86 : x
  2. Step 2: Convert to fraction form
    3,218,285.96/4,827,428.94 = 822,135.86/x
  3. Step 3: Cross multiply
    3,218,285.96x = 4,827,428.94 × 822,135.86
  4. Step 4: Simplify right side
    3,218,285.96x = 3,968,802,443,175.79
  5. Step 5: Solve for x
    x = 3,968,802,443,175.79/3,218,285.96
  6. Step 6: Final answer
    x = 1,233,203.79

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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.