Home / 1,619,627.91-2,233,738.94-1,212,690.39

Finding the Fourth Proportional to 1,619,627.91, 2,233,738.94 and 1,212,690.39

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Solution

The fourth proportional to 1,619,627.91, 2,233,738.94 and 1,212,690.39 is: 1,672,503.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,627.91 : 2,233,738.94 = 1,212,690.39 : x
  2. Step 2: Convert to fraction form
    1,619,627.91/2,233,738.94 = 1,212,690.39/x
  3. Step 3: Cross multiply
    1,619,627.91x = 2,233,738.94 × 1,212,690.39
  4. Step 4: Simplify right side
    1,619,627.91x = 2,708,833,740,243.33
  5. Step 5: Solve for x
    x = 2,708,833,740,243.33/1,619,627.91
  6. Step 6: Final answer
    x = 1,672,503.74

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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.