Home / 3,919,362.14-5,876,755.02-1,520,403.54

Finding the Fourth Proportional to 3,919,362.14, 5,876,755.02 and 1,520,403.54

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Solution

The fourth proportional to 3,919,362.14, 5,876,755.02 and 1,520,403.54 is: 2,279,717.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,362.14 : 5,876,755.02 = 1,520,403.54 : x
  2. Step 2: Convert to fraction form
    3,919,362.14/5,876,755.02 = 1,520,403.54/x
  3. Step 3: Cross multiply
    3,919,362.14x = 5,876,755.02 × 1,520,403.54
  4. Step 4: Simplify right side
    3,919,362.14x = 8,935,039,136,120.77
  5. Step 5: Solve for x
    x = 8,935,039,136,120.77/3,919,362.14
  6. Step 6: Final answer
    x = 2,279,717.68

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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.