Home / 3,191,409.75-4,403,544.03-1,902,370.08

Finding the Fourth Proportional to 3,191,409.75, 4,403,544.03 and 1,902,370.08

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Solution

The fourth proportional to 3,191,409.75, 4,403,544.03 and 1,902,370.08 is: 2,624,912.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,409.75 : 4,403,544.03 = 1,902,370.08 : x
  2. Step 2: Convert to fraction form
    3,191,409.75/4,403,544.03 = 1,902,370.08/x
  3. Step 3: Cross multiply
    3,191,409.75x = 4,403,544.03 × 1,902,370.08
  4. Step 4: Simplify right side
    3,191,409.75x = 8,377,170,408,634.62
  5. Step 5: Solve for x
    x = 8,377,170,408,634.62/3,191,409.75
  6. Step 6: Final answer
    x = 2,624,912.21

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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.