Home / 2,165,881.88-2,982,240.96-1,923,743.72

Finding the Fourth Proportional to 2,165,881.88, 2,982,240.96 and 1,923,743.72

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Solution

The fourth proportional to 2,165,881.88, 2,982,240.96 and 1,923,743.72 is: 2,648,836.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,881.88 : 2,982,240.96 = 1,923,743.72 : x
  2. Step 2: Convert to fraction form
    2,165,881.88/2,982,240.96 = 1,923,743.72/x
  3. Step 3: Cross multiply
    2,165,881.88x = 2,982,240.96 × 1,923,743.72
  4. Step 4: Simplify right side
    2,165,881.88x = 5,737,067,303,415.57
  5. Step 5: Solve for x
    x = 5,737,067,303,415.57/2,165,881.88
  6. Step 6: Final answer
    x = 2,648,836.66

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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.