Home / 1,916,317.25-2,644,676.78-1,100,678.33

Finding the Fourth Proportional to 1,916,317.25, 2,644,676.78 and 1,100,678.33

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Solution

The fourth proportional to 1,916,317.25, 2,644,676.78 and 1,100,678.33 is: 1,519,027.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,317.25 : 2,644,676.78 = 1,100,678.33 : x
  2. Step 2: Convert to fraction form
    1,916,317.25/2,644,676.78 = 1,100,678.33/x
  3. Step 3: Cross multiply
    1,916,317.25x = 2,644,676.78 × 1,100,678.33
  4. Step 4: Simplify right side
    1,916,317.25x = 2,910,938,416,096.79
  5. Step 5: Solve for x
    x = 2,910,938,416,096.79/1,916,317.25
  6. Step 6: Final answer
    x = 1,519,027.41

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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.