Home / 3,943,842.78-5,916,102.93-1,384,837.77

Finding the Fourth Proportional to 3,943,842.78, 5,916,102.93 and 1,384,837.77

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Solution

The fourth proportional to 3,943,842.78, 5,916,102.93 and 1,384,837.77 is: 2,077,375.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943,842.78 : 5,916,102.93 = 1,384,837.77 : x
  2. Step 2: Convert to fraction form
    3,943,842.78/5,916,102.93 = 1,384,837.77/x
  3. Step 3: Cross multiply
    3,943,842.78x = 5,916,102.93 × 1,384,837.77
  4. Step 4: Simplify right side
    3,943,842.78x = 8,192,842,788,671.67
  5. Step 5: Solve for x
    x = 8,192,842,788,671.67/3,943,842.78
  6. Step 6: Final answer
    x = 2,077,375.61

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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.