Home / 2,618,694.51-3,928,043.97-1,252,146.69

Finding the Fourth Proportional to 2,618,694.51, 3,928,043.97 and 1,252,146.69

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Solution

The fourth proportional to 2,618,694.51, 3,928,043.97 and 1,252,146.69 is: 1,878,221.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618,694.51 : 3,928,043.97 = 1,252,146.69 : x
  2. Step 2: Convert to fraction form
    2,618,694.51/3,928,043.97 = 1,252,146.69/x
  3. Step 3: Cross multiply
    2,618,694.51x = 3,928,043.97 × 1,252,146.69
  4. Step 4: Simplify right side
    2,618,694.51x = 4,918,487,249,685.95
  5. Step 5: Solve for x
    x = 4,918,487,249,685.95/2,618,694.51
  6. Step 6: Final answer
    x = 1,878,221.09

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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.