Home / 2,891,819.43-3,990,845.34-1,602,659.94

Finding the Fourth Proportional to 2,891,819.43, 3,990,845.34 and 1,602,659.94

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Solution

The fourth proportional to 2,891,819.43, 3,990,845.34 and 1,602,659.94 is: 2,211,745.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,819.43 : 3,990,845.34 = 1,602,659.94 : x
  2. Step 2: Convert to fraction form
    2,891,819.43/3,990,845.34 = 1,602,659.94/x
  3. Step 3: Cross multiply
    2,891,819.43x = 3,990,845.34 × 1,602,659.94
  4. Step 4: Simplify right side
    2,891,819.43x = 6,395,967,953,153.68
  5. Step 5: Solve for x
    x = 6,395,967,953,153.68/2,891,819.43
  6. Step 6: Final answer
    x = 2,211,745.27

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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.