Home / 3,217,196.42-4,825,790.55-821,041.11

Finding the Fourth Proportional to 3,217,196.42, 4,825,790.55 and 821,041.11

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Solution

The fourth proportional to 3,217,196.42, 4,825,790.55 and 821,041.11 is: 1,231,560.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,196.42 : 4,825,790.55 = 821,041.11 : x
  2. Step 2: Convert to fraction form
    3,217,196.42/4,825,790.55 = 821,041.11/x
  3. Step 3: Cross multiply
    3,217,196.42x = 4,825,790.55 × 821,041.11
  4. Step 4: Simplify right side
    3,217,196.42x = 3,962,172,405,670.56
  5. Step 5: Solve for x
    x = 3,962,172,405,670.56/3,217,196.42
  6. Step 6: Final answer
    x = 1,231,560.62

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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.