Home / 2,809,119.62-3,876,557.47-1,519,931.72

Finding the Fourth Proportional to 2,809,119.62, 3,876,557.47 and 1,519,931.72

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Solution

The fourth proportional to 2,809,119.62, 3,876,557.47 and 1,519,931.72 is: 2,097,490.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,119.62 : 3,876,557.47 = 1,519,931.72 : x
  2. Step 2: Convert to fraction form
    2,809,119.62/3,876,557.47 = 1,519,931.72/x
  3. Step 3: Cross multiply
    2,809,119.62x = 3,876,557.47 × 1,519,931.72
  4. Step 4: Simplify right side
    2,809,119.62x = 5,892,102,639,873.33
  5. Step 5: Solve for x
    x = 5,892,102,639,873.33/2,809,119.62
  6. Step 6: Final answer
    x = 2,097,490.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.