Home / 2,979,310.50-4,111,448.49-1,621,193.22

Finding the Fourth Proportional to 2,979,310.50, 4,111,448.49 and 1,621,193.22

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Solution

The fourth proportional to 2,979,310.50, 4,111,448.49 and 1,621,193.22 is: 2,237,246.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,310.50 : 4,111,448.49 = 1,621,193.22 : x
  2. Step 2: Convert to fraction form
    2,979,310.50/4,111,448.49 = 1,621,193.22/x
  3. Step 3: Cross multiply
    2,979,310.50x = 4,111,448.49 × 1,621,193.22
  4. Step 4: Simplify right side
    2,979,310.50x = 6,665,452,416,367.24
  5. Step 5: Solve for x
    x = 6,665,452,416,367.24/2,979,310.50
  6. Step 6: Final answer
    x = 2,237,246.64

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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.