Home / 5,790,134.72-7,990,356.48-3,211,788.80

Finding the Fourth Proportional to 5,790,134.72, 7,990,356.48 and 3,211,788.80

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Solution

The fourth proportional to 5,790,134.72, 7,990,356.48 and 3,211,788.80 is: 4,432,252.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790,134.72 : 7,990,356.48 = 3,211,788.80 : x
  2. Step 2: Convert to fraction form
    5,790,134.72/7,990,356.48 = 3,211,788.80/x
  3. Step 3: Cross multiply
    5,790,134.72x = 7,990,356.48 × 3,211,788.80
  4. Step 4: Simplify right side
    5,790,134.72x = 25,663,337,450,471.43
  5. Step 5: Solve for x
    x = 25,663,337,450,471.43/5,790,134.72
  6. Step 6: Final answer
    x = 4,432,252.22

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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.