Home / 4,914,815.43-7,372,219.25-1,320,582.37

Finding the Fourth Proportional to 4,914,815.43, 7,372,219.25 and 1,320,582.37

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Solution

The fourth proportional to 4,914,815.43, 7,372,219.25 and 1,320,582.37 is: 1,980,872.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914,815.43 : 7,372,219.25 = 1,320,582.37 : x
  2. Step 2: Convert to fraction form
    4,914,815.43/7,372,219.25 = 1,320,582.37/x
  3. Step 3: Cross multiply
    4,914,815.43x = 7,372,219.25 × 1,320,582.37
  4. Step 4: Simplify right side
    4,914,815.43x = 9,735,622,768,018.44
  5. Step 5: Solve for x
    x = 9,735,622,768,018.44/4,914,815.43
  6. Step 6: Final answer
    x = 1,980,872.51

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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.