Home / 2,511,990.40-3,766,819.20-1,091,315.20

Finding the Fourth Proportional to 2,511,990.40, 3,766,819.20 and 1,091,315.20

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Solution

The fourth proportional to 2,511,990.40, 3,766,819.20 and 1,091,315.20 is: 1,636,466.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511,990.40 : 3,766,819.20 = 1,091,315.20 : x
  2. Step 2: Convert to fraction form
    2,511,990.40/3,766,819.20 = 1,091,315.20/x
  3. Step 3: Cross multiply
    2,511,990.40x = 3,766,819.20 × 1,091,315.20
  4. Step 4: Simplify right side
    2,511,990.40x = 4,110,787,048,611.84
  5. Step 5: Solve for x
    x = 4,110,787,048,611.84/2,511,990.40
  6. Step 6: Final answer
    x = 1,636,466.07

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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.