Home / 2,612,784.06-3,918,795.93-815,249.34

Finding the Fourth Proportional to 2,612,784.06, 3,918,795.93 and 815,249.34

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Solution

The fourth proportional to 2,612,784.06, 3,918,795.93 and 815,249.34 is: 1,222,755.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612,784.06 : 3,918,795.93 = 815,249.34 : x
  2. Step 2: Convert to fraction form
    2,612,784.06/3,918,795.93 = 815,249.34/x
  3. Step 3: Cross multiply
    2,612,784.06x = 3,918,795.93 × 815,249.34
  4. Step 4: Simplify right side
    2,612,784.06x = 3,194,795,795,527.19
  5. Step 5: Solve for x
    x = 3,194,795,795,527.19/2,612,784.06
  6. Step 6: Final answer
    x = 1,222,755.39

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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.