Home / 1,891,826.68-2,838,736.47-1,093,668.78

Finding the Fourth Proportional to 1,891,826.68, 2,838,736.47 and 1,093,668.78

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Solution

The fourth proportional to 1,891,826.68, 2,838,736.47 and 1,093,668.78 is: 1,641,079.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,826.68 : 2,838,736.47 = 1,093,668.78 : x
  2. Step 2: Convert to fraction form
    1,891,826.68/2,838,736.47 = 1,093,668.78/x
  3. Step 3: Cross multiply
    1,891,826.68x = 2,838,736.47 × 1,093,668.78
  4. Step 4: Simplify right side
    1,891,826.68x = 3,104,637,451,886.41
  5. Step 5: Solve for x
    x = 3,104,637,451,886.41/1,891,826.68
  6. Step 6: Final answer
    x = 1,641,079.22

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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.