Home / 5,239,195.43-7,230,078.75-2,947,356.12

Finding the Fourth Proportional to 5,239,195.43, 7,230,078.75 and 2,947,356.12

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Solution

The fourth proportional to 5,239,195.43, 7,230,078.75 and 2,947,356.12 is: 4,067,345.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239,195.43 : 7,230,078.75 = 2,947,356.12 : x
  2. Step 2: Convert to fraction form
    5,239,195.43/7,230,078.75 = 2,947,356.12/x
  3. Step 3: Cross multiply
    5,239,195.43x = 7,230,078.75 × 2,947,356.12
  4. Step 4: Simplify right side
    5,239,195.43x = 21,309,616,851,894.45
  5. Step 5: Solve for x
    x = 21,309,616,851,894.45/5,239,195.43
  6. Step 6: Final answer
    x = 4,067,345.29

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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.