Home / 5,161,474.12-7,120,788.42-2,985,613.24

Finding the Fourth Proportional to 5,161,474.12, 7,120,788.42 and 2,985,613.24

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Solution

The fourth proportional to 5,161,474.12, 7,120,788.42 and 2,985,613.24 is: 4,118,962.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161,474.12 : 7,120,788.42 = 2,985,613.24 : x
  2. Step 2: Convert to fraction form
    5,161,474.12/7,120,788.42 = 2,985,613.24/x
  3. Step 3: Cross multiply
    5,161,474.12x = 7,120,788.42 × 2,985,613.24
  4. Step 4: Simplify right side
    5,161,474.12x = 21,259,920,185,990.68
  5. Step 5: Solve for x
    x = 21,259,920,185,990.68/5,161,474.12
  6. Step 6: Final answer
    x = 4,118,962.86

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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.