Home / 1,939,917.75-2,676,614.40-1,277,561.22

Finding the Fourth Proportional to 1,939,917.75, 2,676,614.40 and 1,277,561.22

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Solution

The fourth proportional to 1,939,917.75, 2,676,614.40 and 1,277,561.22 is: 1,762,723.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,917.75 : 2,676,614.40 = 1,277,561.22 : x
  2. Step 2: Convert to fraction form
    1,939,917.75/2,676,614.40 = 1,277,561.22/x
  3. Step 3: Cross multiply
    1,939,917.75x = 2,676,614.40 × 1,277,561.22
  4. Step 4: Simplify right side
    1,939,917.75x = 3,419,538,758,333.57
  5. Step 5: Solve for x
    x = 3,419,538,758,333.57/1,939,917.75
  6. Step 6: Final answer
    x = 1,762,723.58

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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.