Home / 5,101,385.38-7,040,230.10-2,809,545.46

Finding the Fourth Proportional to 5,101,385.38, 7,040,230.10 and 2,809,545.46

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Solution

The fourth proportional to 5,101,385.38, 7,040,230.10 and 2,809,545.46 is: 3,877,348.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101,385.38 : 7,040,230.10 = 2,809,545.46 : x
  2. Step 2: Convert to fraction form
    5,101,385.38/7,040,230.10 = 2,809,545.46/x
  3. Step 3: Cross multiply
    5,101,385.38x = 7,040,230.10 × 2,809,545.46
  4. Step 4: Simplify right side
    5,101,385.38x = 19,779,846,500,762.62
  5. Step 5: Solve for x
    x = 19,779,846,500,762.62/5,101,385.38
  6. Step 6: Final answer
    x = 3,877,348.02

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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.