Home / 1,960,672.19-2,705,673.62-1,089,484.38

Finding the Fourth Proportional to 1,960,672.19, 2,705,673.62 and 1,089,484.38

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Solution

The fourth proportional to 1,960,672.19, 2,705,673.62 and 1,089,484.38 is: 1,503,458.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,672.19 : 2,705,673.62 = 1,089,484.38 : x
  2. Step 2: Convert to fraction form
    1,960,672.19/2,705,673.62 = 1,089,484.38/x
  3. Step 3: Cross multiply
    1,960,672.19x = 2,705,673.62 × 1,089,484.38
  4. Step 4: Simplify right side
    1,960,672.19x = 2,947,789,149,091.77
  5. Step 5: Solve for x
    x = 2,947,789,149,091.77/1,960,672.19
  6. Step 6: Final answer
    x = 1,503,458.44

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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.