Home / 5,315,999.30-7,981,872.15-4,119,272.90

Finding the Fourth Proportional to 5,315,999.30, 7,981,872.15 and 4,119,272.90

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Solution

The fourth proportional to 5,315,999.30, 7,981,872.15 and 4,119,272.90 is: 6,185,010.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315,999.30 : 7,981,872.15 = 4,119,272.90 : x
  2. Step 2: Convert to fraction form
    5,315,999.30/7,981,872.15 = 4,119,272.90/x
  3. Step 3: Cross multiply
    5,315,999.30x = 7,981,872.15 × 4,119,272.90
  4. Step 4: Simplify right side
    5,315,999.30x = 32,879,509,638,759.73
  5. Step 5: Solve for x
    x = 32,879,509,638,759.73/5,315,999.30
  6. Step 6: Final answer
    x = 6,185,010.15

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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.