Home / 3,281,489.42-4,528,456.22-1,811,398.79

Finding the Fourth Proportional to 3,281,489.42, 4,528,456.22 and 1,811,398.79

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Solution

The fourth proportional to 3,281,489.42, 4,528,456.22 and 1,811,398.79 is: 2,499,730.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281,489.42 : 4,528,456.22 = 1,811,398.79 : x
  2. Step 2: Convert to fraction form
    3,281,489.42/4,528,456.22 = 1,811,398.79/x
  3. Step 3: Cross multiply
    3,281,489.42x = 4,528,456.22 × 1,811,398.79
  4. Step 4: Simplify right side
    3,281,489.42x = 8,202,840,099,362.19
  5. Step 5: Solve for x
    x = 8,202,840,099,362.19/3,281,489.42
  6. Step 6: Final answer
    x = 2,499,730.78

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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.