Home / 5,419,723.84-8,129,589.40-1,376,514.88

Finding the Fourth Proportional to 5,419,723.84, 8,129,589.40 and 1,376,514.88

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Solution

The fourth proportional to 5,419,723.84, 8,129,589.40 and 1,376,514.88 is: 2,064,773.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419,723.84 : 8,129,589.40 = 1,376,514.88 : x
  2. Step 2: Convert to fraction form
    5,419,723.84/8,129,589.40 = 1,376,514.88/x
  3. Step 3: Cross multiply
    5,419,723.84x = 8,129,589.40 × 1,376,514.88
  4. Step 4: Simplify right side
    5,419,723.84x = 11,190,500,777,390.27
  5. Step 5: Solve for x
    x = 11,190,500,777,390.27/5,419,723.84
  6. Step 6: Final answer
    x = 2,064,773.24

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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.