Home / 2,970,619.20-4,455,928.80-726,757.20

Finding the Fourth Proportional to 2,970,619.20, 4,455,928.80 and 726,757.20

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Solution

The fourth proportional to 2,970,619.20, 4,455,928.80 and 726,757.20 is: 1,090,135.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970,619.20 : 4,455,928.80 = 726,757.20 : x
  2. Step 2: Convert to fraction form
    2,970,619.20/4,455,928.80 = 726,757.20/x
  3. Step 3: Cross multiply
    2,970,619.20x = 4,455,928.80 × 726,757.20
  4. Step 4: Simplify right side
    2,970,619.20x = 3,238,378,338,087.36
  5. Step 5: Solve for x
    x = 3,238,378,338,087.36/2,970,619.20
  6. Step 6: Final answer
    x = 1,090,135.80

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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.