Home / 5,188,889.16-7,776,582.54-2,111,293.38

Finding the Fourth Proportional to 5,188,889.16, 7,776,582.54 and 2,111,293.38

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Solution

The fourth proportional to 5,188,889.16, 7,776,582.54 and 2,111,293.38 is: 3,164,193.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188,889.16 : 7,776,582.54 = 2,111,293.38 : x
  2. Step 2: Convert to fraction form
    5,188,889.16/7,776,582.54 = 2,111,293.38/x
  3. Step 3: Cross multiply
    5,188,889.16x = 7,776,582.54 × 2,111,293.38
  4. Step 4: Simplify right side
    5,188,889.16x = 16,418,647,235,725.58
  5. Step 5: Solve for x
    x = 16,418,647,235,725.58/5,188,889.16
  6. Step 6: Final answer
    x = 3,164,193.09

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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.