Home / 3,889,107.92-5,366,959.08-2,170,210.16

Finding the Fourth Proportional to 3,889,107.92, 5,366,959.08 and 2,170,210.16

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Solution

The fourth proportional to 3,889,107.92, 5,366,959.08 and 2,170,210.16 is: 2,994,884.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,107.92 : 5,366,959.08 = 2,170,210.16 : x
  2. Step 2: Convert to fraction form
    3,889,107.92/5,366,959.08 = 2,170,210.16/x
  3. Step 3: Cross multiply
    3,889,107.92x = 5,366,959.08 × 2,170,210.16
  4. Step 4: Simplify right side
    3,889,107.92x = 11,647,429,123,720.25
  5. Step 5: Solve for x
    x = 11,647,429,123,720.25/3,889,107.92
  6. Step 6: Final answer
    x = 2,994,884.52

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1.5x scale

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.