Home / 1,969,161.89-2,699,721.81-1,933,291.44

Finding the Fourth Proportional to 1,969,161.89, 2,699,721.81 and 1,933,291.44

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Solution

The fourth proportional to 1,969,161.89, 2,699,721.81 and 1,933,291.44 is: 2,650,543.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,161.89 : 2,699,721.81 = 1,933,291.44 : x
  2. Step 2: Convert to fraction form
    1,969,161.89/2,699,721.81 = 1,933,291.44/x
  3. Step 3: Cross multiply
    1,969,161.89x = 2,699,721.81 × 1,933,291.44
  4. Step 4: Simplify right side
    1,969,161.89x = 5,219,349,065,654.31
  5. Step 5: Solve for x
    x = 5,219,349,065,654.31/1,969,161.89
  6. Step 6: Final answer
    x = 2,650,543.41

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.