Home / 1,994,842.20-2,996,692.11-1,237,243.62

Finding the Fourth Proportional to 1,994,842.20, 2,996,692.11 and 1,237,243.62

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Solution

The fourth proportional to 1,994,842.20, 2,996,692.11 and 1,237,243.62 is: 1,858,612.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,842.20 : 2,996,692.11 = 1,237,243.62 : x
  2. Step 2: Convert to fraction form
    1,994,842.20/2,996,692.11 = 1,237,243.62/x
  3. Step 3: Cross multiply
    1,994,842.20x = 2,996,692.11 × 1,237,243.62
  4. Step 4: Simplify right side
    1,994,842.20x = 3,707,638,194,201.84
  5. Step 5: Solve for x
    x = 3,707,638,194,201.84/1,994,842.20
  6. Step 6: Final answer
    x = 1,858,612.27

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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.