Home / 2,810,716.12-3,878,783.78-1,521,556.17

Finding the Fourth Proportional to 2,810,716.12, 3,878,783.78 and 1,521,556.17

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Solution

The fourth proportional to 2,810,716.12, 3,878,783.78 and 1,521,556.17 is: 2,099,745.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,716.12 : 3,878,783.78 = 1,521,556.17 : x
  2. Step 2: Convert to fraction form
    2,810,716.12/3,878,783.78 = 1,521,556.17/x
  3. Step 3: Cross multiply
    2,810,716.12x = 3,878,783.78 × 1,521,556.17
  4. Step 4: Simplify right side
    2,810,716.12x = 5,901,787,392,554.92
  5. Step 5: Solve for x
    x = 5,901,787,392,554.92/2,810,716.12
  6. Step 6: Final answer
    x = 2,099,745.10

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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.