Home / 2,208,022.08-3,312,406.26-691,405.90

Finding the Fourth Proportional to 2,208,022.08, 3,312,406.26 and 691,405.90

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Solution

The fourth proportional to 2,208,022.08, 3,312,406.26 and 691,405.90 is: 1,037,225.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,022.08 : 3,312,406.26 = 691,405.90 : x
  2. Step 2: Convert to fraction form
    2,208,022.08/3,312,406.26 = 691,405.90/x
  3. Step 3: Cross multiply
    2,208,022.08x = 3,312,406.26 × 691,405.90
  4. Step 4: Simplify right side
    2,208,022.08x = 2,290,217,231,360.93
  5. Step 5: Solve for x
    x = 2,290,217,231,360.93/2,208,022.08
  6. Step 6: Final answer
    x = 1,037,225.69

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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.