Home / 2,640,507.68-3,958,336.56-957,205.28

Finding the Fourth Proportional to 2,640,507.68, 3,958,336.56 and 957,205.28

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Solution

The fourth proportional to 2,640,507.68, 3,958,336.56 and 957,205.28 is: 1,434,928.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,507.68 : 3,958,336.56 = 957,205.28 : x
  2. Step 2: Convert to fraction form
    2,640,507.68/3,958,336.56 = 957,205.28/x
  3. Step 3: Cross multiply
    2,640,507.68x = 3,958,336.56 × 957,205.28
  4. Step 4: Simplify right side
    2,640,507.68x = 3,788,940,655,249.04
  5. Step 5: Solve for x
    x = 3,788,940,655,249.04/2,640,507.68
  6. Step 6: Final answer
    x = 1,434,928.85

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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.