Home / 2,809,574.57-3,876,797.16-1,647,582.32

Finding the Fourth Proportional to 2,809,574.57, 3,876,797.16 and 1,647,582.32

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Solution

The fourth proportional to 2,809,574.57, 3,876,797.16 and 1,647,582.32 is: 2,273,419.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,574.57 : 3,876,797.16 = 1,647,582.32 : x
  2. Step 2: Convert to fraction form
    2,809,574.57/3,876,797.16 = 1,647,582.32/x
  3. Step 3: Cross multiply
    2,809,574.57x = 3,876,797.16 × 1,647,582.32
  4. Step 4: Simplify right side
    2,809,574.57x = 6,387,342,468,734.20
  5. Step 5: Solve for x
    x = 6,387,342,468,734.20/2,809,574.57
  6. Step 6: Final answer
    x = 2,273,419.80

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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.