Home / 2,175,629.40-3,256,992.90-1,617,139.80

Finding the Fourth Proportional to 2,175,629.40, 3,256,992.90 and 1,617,139.80

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Solution

The fourth proportional to 2,175,629.40, 3,256,992.90 and 1,617,139.80 is: 2,420,914.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,629.40 : 3,256,992.90 = 1,617,139.80 : x
  2. Step 2: Convert to fraction form
    2,175,629.40/3,256,992.90 = 1,617,139.80/x
  3. Step 3: Cross multiply
    2,175,629.40x = 3,256,992.90 × 1,617,139.80
  4. Step 4: Simplify right side
    2,175,629.40x = 5,267,012,846,907.42
  5. Step 5: Solve for x
    x = 5,267,012,846,907.42/2,175,629.40
  6. Step 6: Final answer
    x = 2,420,914.54

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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.