Home / 5,219,664-7,203,121.59-2,896,907.22

Finding the Fourth Proportional to 5,219,664, 7,203,121.59 and 2,896,907.22

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Solution

The fourth proportional to 5,219,664, 7,203,121.59 and 2,896,907.22 is: 3,997,723.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219,664 : 7,203,121.59 = 2,896,907.22 : x
  2. Step 2: Convert to fraction form
    5,219,664/7,203,121.59 = 2,896,907.22/x
  3. Step 3: Cross multiply
    5,219,664x = 7,203,121.59 × 2,896,907.22
  4. Step 4: Simplify right side
    5,219,664x = 20,866,774,940,608.88
  5. Step 5: Solve for x
    x = 20,866,774,940,608.88/5,219,664
  6. Step 6: Final answer
    x = 3,997,723.79

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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.