Home / 2,155,205.30-3,230,734.35-1,675,166.90

Finding the Fourth Proportional to 2,155,205.30, 3,230,734.35 and 1,675,166.90

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Solution

The fourth proportional to 2,155,205.30, 3,230,734.35 and 1,675,166.90 is: 2,511,138.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,205.30 : 3,230,734.35 = 1,675,166.90 : x
  2. Step 2: Convert to fraction form
    2,155,205.30/3,230,734.35 = 1,675,166.90/x
  3. Step 3: Cross multiply
    2,155,205.30x = 3,230,734.35 × 1,675,166.90
  4. Step 4: Simplify right side
    2,155,205.30x = 5,412,019,245,813.01
  5. Step 5: Solve for x
    x = 5,412,019,245,813.01/2,155,205.30
  6. Step 6: Final answer
    x = 2,511,138.61

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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.