Home / 3,191,412.80-4,787,119.20-2,183,643.20

Finding the Fourth Proportional to 3,191,412.80, 4,787,119.20 and 2,183,643.20

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Solution

The fourth proportional to 3,191,412.80, 4,787,119.20 and 2,183,643.20 is: 3,275,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,412.80 : 4,787,119.20 = 2,183,643.20 : x
  2. Step 2: Convert to fraction form
    3,191,412.80/4,787,119.20 = 2,183,643.20/x
  3. Step 3: Cross multiply
    3,191,412.80x = 4,787,119.20 × 2,183,643.20
  4. Step 4: Simplify right side
    3,191,412.80x = 10,453,360,288,669.44
  5. Step 5: Solve for x
    x = 10,453,360,288,669.44/3,191,412.80
  6. Step 6: Final answer
    x = 3,275,464.80

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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.