Home / 2,907,142.28-4,361,112.36-987,538.24

Finding the Fourth Proportional to 2,907,142.28, 4,361,112.36 and 987,538.24

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Solution

The fourth proportional to 2,907,142.28, 4,361,112.36 and 987,538.24 is: 1,481,442.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,142.28 : 4,361,112.36 = 987,538.24 : x
  2. Step 2: Convert to fraction form
    2,907,142.28/4,361,112.36 = 987,538.24/x
  3. Step 3: Cross multiply
    2,907,142.28x = 4,361,112.36 × 987,538.24
  4. Step 4: Simplify right side
    2,907,142.28x = 4,306,765,224,436.65
  5. Step 5: Solve for x
    x = 4,306,765,224,436.65/2,907,142.28
  6. Step 6: Final answer
    x = 1,481,442.88

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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.