Home / 5,101,385.57-7,040,230.22-2,809,545.65

Finding the Fourth Proportional to 5,101,385.57, 7,040,230.22 and 2,809,545.65

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Solution

The fourth proportional to 5,101,385.57, 7,040,230.22 and 2,809,545.65 is: 3,877,348.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101,385.57 : 7,040,230.22 = 2,809,545.65 : x
  2. Step 2: Convert to fraction form
    5,101,385.57/7,040,230.22 = 2,809,545.65/x
  3. Step 3: Cross multiply
    5,101,385.57x = 7,040,230.22 × 2,809,545.65
  4. Step 4: Simplify right side
    5,101,385.57x = 19,779,848,189,599.54
  5. Step 5: Solve for x
    x = 19,779,848,189,599.54/5,101,385.57
  6. Step 6: Final answer
    x = 3,877,348.21

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1.5x scale

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.