Home / 2,212,065.86-3,051,021.11-1,668,224.57

Finding the Fourth Proportional to 2,212,065.86, 3,051,021.11 and 1,668,224.57

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Solution

The fourth proportional to 2,212,065.86, 3,051,021.11 and 1,668,224.57 is: 2,300,920.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212,065.86 : 3,051,021.11 = 1,668,224.57 : x
  2. Step 2: Convert to fraction form
    2,212,065.86/3,051,021.11 = 1,668,224.57/x
  3. Step 3: Cross multiply
    2,212,065.86x = 3,051,021.11 × 1,668,224.57
  4. Step 4: Simplify right side
    2,212,065.86x = 5,089,788,355,694.44
  5. Step 5: Solve for x
    x = 5,089,788,355,694.44/2,212,065.86
  6. Step 6: Final answer
    x = 2,300,920.81

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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.