Home / 1,972,647.96-2,722,099.14-1,208,597.64

Finding the Fourth Proportional to 1,972,647.96, 2,722,099.14 and 1,208,597.64

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Solution

The fourth proportional to 1,972,647.96, 2,722,099.14 and 1,208,597.64 is: 1,667,769.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,647.96 : 2,722,099.14 = 1,208,597.64 : x
  2. Step 2: Convert to fraction form
    1,972,647.96/2,722,099.14 = 1,208,597.64/x
  3. Step 3: Cross multiply
    1,972,647.96x = 2,722,099.14 × 1,208,597.64
  4. Step 4: Simplify right side
    1,972,647.96x = 3,289,922,596,450.03
  5. Step 5: Solve for x
    x = 3,289,922,596,450.03/1,972,647.96
  6. Step 6: Final answer
    x = 1,667,769.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.