Home / 2,511,178.60-3,766,998.30-828,285.80

Finding the Fourth Proportional to 2,511,178.60, 3,766,998.30 and 828,285.80

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Solution

The fourth proportional to 2,511,178.60, 3,766,998.30 and 828,285.80 is: 1,242,504.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511,178.60 : 3,766,998.30 = 828,285.80 : x
  2. Step 2: Convert to fraction form
    2,511,178.60/3,766,998.30 = 828,285.80/x
  3. Step 3: Cross multiply
    2,511,178.60x = 3,766,998.30 × 828,285.80
  4. Step 4: Simplify right side
    2,511,178.60x = 3,120,151,200,514.14
  5. Step 5: Solve for x
    x = 3,120,151,200,514.14/2,511,178.60
  6. Step 6: Final answer
    x = 1,242,504.70

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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.