Home / 1,994,819.90-2,996,658.52-1,237,221.23

Finding the Fourth Proportional to 1,994,819.90, 2,996,658.52 and 1,237,221.23

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Solution

The fourth proportional to 1,994,819.90, 2,996,658.52 and 1,237,221.23 is: 1,858,578.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,819.90 : 2,996,658.52 = 1,237,221.23 : x
  2. Step 2: Convert to fraction form
    1,994,819.90/2,996,658.52 = 1,237,221.23/x
  3. Step 3: Cross multiply
    1,994,819.90x = 2,996,658.52 × 1,237,221.23
  4. Step 4: Simplify right side
    1,994,819.90x = 3,707,529,525,021.09
  5. Step 5: Solve for x
    x = 3,707,529,525,021.09/1,994,819.90
  6. Step 6: Final answer
    x = 1,858,578.58

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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.