Home / 1,972,284.11-2,721,794.55-1,089,230.51

Finding the Fourth Proportional to 1,972,284.11, 2,721,794.55 and 1,089,230.51

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Solution

The fourth proportional to 1,972,284.11, 2,721,794.55 and 1,089,230.51 is: 1,503,161.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,284.11 : 2,721,794.55 = 1,089,230.51 : x
  2. Step 2: Convert to fraction form
    1,972,284.11/2,721,794.55 = 1,089,230.51/x
  3. Step 3: Cross multiply
    1,972,284.11x = 2,721,794.55 × 1,089,230.51
  4. Step 4: Simplify right side
    1,972,284.11x = 2,964,661,665,811.72
  5. Step 5: Solve for x
    x = 2,964,661,665,811.72/1,972,284.11
  6. Step 6: Final answer
    x = 1,503,161.56

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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.