Home / 2,499,979.20-3,450,183.36-1,412,450.40

Finding the Fourth Proportional to 2,499,979.20, 3,450,183.36 and 1,412,450.40

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Solution

The fourth proportional to 2,499,979.20, 3,450,183.36 and 1,412,450.40 is: 1,949,301.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,499,979.20 : 3,450,183.36 = 1,412,450.40 : x
  2. Step 2: Convert to fraction form
    2,499,979.20/3,450,183.36 = 1,412,450.40/x
  3. Step 3: Cross multiply
    2,499,979.20x = 3,450,183.36 × 1,412,450.40
  4. Step 4: Simplify right side
    2,499,979.20x = 4,873,212,866,905.34
  5. Step 5: Solve for x
    x = 4,873,212,866,905.34/2,499,979.20
  6. Step 6: Final answer
    x = 1,949,301.36

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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.