Home / 1,939,917.53-2,676,614.04-1,277,561.03

Finding the Fourth Proportional to 1,939,917.53, 2,676,614.04 and 1,277,561.03

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Solution

The fourth proportional to 1,939,917.53, 2,676,614.04 and 1,277,561.03 is: 1,762,723.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,917.53 : 2,676,614.04 = 1,277,561.03 : x
  2. Step 2: Convert to fraction form
    1,939,917.53/2,676,614.04 = 1,277,561.03/x
  3. Step 3: Cross multiply
    1,939,917.53x = 2,676,614.04 × 1,277,561.03
  4. Step 4: Simplify right side
    1,939,917.53x = 3,419,537,789,854.86
  5. Step 5: Solve for x
    x = 3,419,537,789,854.86/1,939,917.53
  6. Step 6: Final answer
    x = 1,762,723.28

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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.