Home / 5,170,539.91-7,135,016.25-3,105,642.52

Finding the Fourth Proportional to 5,170,539.91, 7,135,016.25 and 3,105,642.52

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Solution

The fourth proportional to 5,170,539.91, 7,135,016.25 and 3,105,642.52 is: 4,285,589.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170,539.91 : 7,135,016.25 = 3,105,642.52 : x
  2. Step 2: Convert to fraction form
    5,170,539.91/7,135,016.25 = 3,105,642.52/x
  3. Step 3: Cross multiply
    5,170,539.91x = 7,135,016.25 × 3,105,642.52
  4. Step 4: Simplify right side
    5,170,539.91x = 22,158,809,820,771.61
  5. Step 5: Solve for x
    x = 22,158,809,820,771.61/5,170,539.91
  6. Step 6: Final answer
    x = 4,285,589.16

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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.