Home / 1,891,993.82-2,838,876.47-826,897.48

Finding the Fourth Proportional to 1,891,993.82, 2,838,876.47 and 826,897.48

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Solution

The fourth proportional to 1,891,993.82, 2,838,876.47 and 826,897.48 is: 1,240,733.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,993.82 : 2,838,876.47 = 826,897.48 : x
  2. Step 2: Convert to fraction form
    1,891,993.82/2,838,876.47 = 826,897.48/x
  3. Step 3: Cross multiply
    1,891,993.82x = 2,838,876.47 × 826,897.48
  4. Step 4: Simplify right side
    1,891,993.82x = 2,347,459,799,074.30
  5. Step 5: Solve for x
    x = 2,347,459,799,074.30/1,891,993.82
  6. Step 6: Final answer
    x = 1,240,733.33

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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.