Home / 2,800,922.40-4,200,800.40-1,203,537.60

Finding the Fourth Proportional to 2,800,922.40, 4,200,800.40 and 1,203,537.60

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Solution

The fourth proportional to 2,800,922.40, 4,200,800.40 and 1,203,537.60 is: 1,805,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,922.40 : 4,200,800.40 = 1,203,537.60 : x
  2. Step 2: Convert to fraction form
    2,800,922.40/4,200,800.40 = 1,203,537.60/x
  3. Step 3: Cross multiply
    2,800,922.40x = 4,200,800.40 × 1,203,537.60
  4. Step 4: Simplify right side
    2,800,922.40x = 5,055,821,231,495.04
  5. Step 5: Solve for x
    x = 5,055,821,231,495.04/2,800,922.40
  6. Step 6: Final answer
    x = 1,805,055.80

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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.