Home / 3,979,881.84-5,969,239.52-1,957,582.96

Finding the Fourth Proportional to 3,979,881.84, 5,969,239.52 and 1,957,582.96

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Solution

The fourth proportional to 3,979,881.84, 5,969,239.52 and 1,957,582.96 is: 2,936,087.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,881.84 : 5,969,239.52 = 1,957,582.96 : x
  2. Step 2: Convert to fraction form
    3,979,881.84/5,969,239.52 = 1,957,582.96/x
  3. Step 3: Cross multiply
    3,979,881.84x = 5,969,239.52 × 1,957,582.96
  4. Step 4: Simplify right side
    3,979,881.84x = 11,685,281,568,510.58
  5. Step 5: Solve for x
    x = 11,685,281,568,510.58/3,979,881.84
  6. Step 6: Final answer
    x = 2,936,087.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.