Home / 2,189,112.67-3,283,668.83-1,109,457.06

Finding the Fourth Proportional to 2,189,112.67, 3,283,668.83 and 1,109,457.06

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Solution

The fourth proportional to 2,189,112.67, 3,283,668.83 and 1,109,457.06 is: 1,664,185.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,112.67 : 3,283,668.83 = 1,109,457.06 : x
  2. Step 2: Convert to fraction form
    2,189,112.67/3,283,668.83 = 1,109,457.06/x
  3. Step 3: Cross multiply
    2,189,112.67x = 3,283,668.83 × 1,109,457.06
  4. Step 4: Simplify right side
    2,189,112.67x = 3,643,089,558,039.72
  5. Step 5: Solve for x
    x = 3,643,089,558,039.72/2,189,112.67
  6. Step 6: Final answer
    x = 1,664,185.50

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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.