Home / 3,919,357.12-5,876,747.52-1,520,398.54

Finding the Fourth Proportional to 3,919,357.12, 5,876,747.52 and 1,520,398.54

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Solution

The fourth proportional to 3,919,357.12, 5,876,747.52 and 1,520,398.54 is: 2,279,710.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,357.12 : 5,876,747.52 = 1,520,398.54 : x
  2. Step 2: Convert to fraction form
    3,919,357.12/5,876,747.52 = 1,520,398.54/x
  3. Step 3: Cross multiply
    3,919,357.12x = 5,876,747.52 × 1,520,398.54
  4. Step 4: Simplify right side
    3,919,357.12x = 8,934,998,349,356.62
  5. Step 5: Solve for x
    x = 8,934,998,349,356.62/3,919,357.12
  6. Step 6: Final answer
    x = 2,279,710.19

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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.