Home / 3,718,272.78-5,577,665.39-1,557,121.93

Finding the Fourth Proportional to 3,718,272.78, 5,577,665.39 and 1,557,121.93

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Solution

The fourth proportional to 3,718,272.78, 5,577,665.39 and 1,557,121.93 is: 2,335,790.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718,272.78 : 5,577,665.39 = 1,557,121.93 : x
  2. Step 2: Convert to fraction form
    3,718,272.78/5,577,665.39 = 1,557,121.93/x
  3. Step 3: Cross multiply
    3,718,272.78x = 5,577,665.39 × 1,557,121.93
  4. Step 4: Simplify right side
    3,718,272.78x = 8,685,105,069,082.68
  5. Step 5: Solve for x
    x = 8,685,105,069,082.68/3,718,272.78
  6. Step 6: Final answer
    x = 2,335,790.19

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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.