Home / 1,999,438.20-2,994,491.70-1,959,348.60

Finding the Fourth Proportional to 1,999,438.20, 2,994,491.70 and 1,959,348.60

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Solution

The fourth proportional to 1,999,438.20, 2,994,491.70 and 1,959,348.60 is: 2,934,450.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,438.20 : 2,994,491.70 = 1,959,348.60 : x
  2. Step 2: Convert to fraction form
    1,999,438.20/2,994,491.70 = 1,959,348.60/x
  3. Step 3: Cross multiply
    1,999,438.20x = 2,994,491.70 × 1,959,348.60
  4. Step 4: Simplify right side
    1,999,438.20x = 5,867,253,120,106.62
  5. Step 5: Solve for x
    x = 5,867,253,120,106.62/1,999,438.20
  6. Step 6: Final answer
    x = 2,934,450.85

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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.