Home / 2,519,181.12-3,778,382.16-921,370.56

Finding the Fourth Proportional to 2,519,181.12, 3,778,382.16 and 921,370.56

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Solution

The fourth proportional to 2,519,181.12, 3,778,382.16 and 921,370.56 is: 1,381,913.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519,181.12 : 3,778,382.16 = 921,370.56 : x
  2. Step 2: Convert to fraction form
    2,519,181.12/3,778,382.16 = 921,370.56/x
  3. Step 3: Cross multiply
    2,519,181.12x = 3,778,382.16 × 921,370.56
  4. Step 4: Simplify right side
    2,519,181.12x = 3,481,290,086,653.21
  5. Step 5: Solve for x
    x = 3,481,290,086,653.21/2,519,181.12
  6. Step 6: Final answer
    x = 1,381,913.38

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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.