Home / 3,919,363.86-5,876,757.64-1,520,405.29

Finding the Fourth Proportional to 3,919,363.86, 5,876,757.64 and 1,520,405.29

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Solution

The fourth proportional to 3,919,363.86, 5,876,757.64 and 1,520,405.29 is: 2,279,720.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,363.86 : 5,876,757.64 = 1,520,405.29 : x
  2. Step 2: Convert to fraction form
    3,919,363.86/5,876,757.64 = 1,520,405.29/x
  3. Step 3: Cross multiply
    3,919,363.86x = 5,876,757.64 × 1,520,405.29
  4. Step 4: Simplify right side
    3,919,363.86x = 8,935,053,403,903.92
  5. Step 5: Solve for x
    x = 8,935,053,403,903.92/3,919,363.86
  6. Step 6: Final answer
    x = 2,279,720.31

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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.