Home / 3,998,533.88-5,512,237.49-2,850,621.32

Finding the Fourth Proportional to 3,998,533.88, 5,512,237.49 and 2,850,621.32

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Solution

The fourth proportional to 3,998,533.88, 5,512,237.49 and 2,850,621.32 is: 3,929,765.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998,533.88 : 5,512,237.49 = 2,850,621.32 : x
  2. Step 2: Convert to fraction form
    3,998,533.88/5,512,237.49 = 2,850,621.32/x
  3. Step 3: Cross multiply
    3,998,533.88x = 5,512,237.49 × 2,850,621.32
  4. Step 4: Simplify right side
    3,998,533.88x = 15,713,301,668,082.99
  5. Step 5: Solve for x
    x = 15,713,301,668,082.99/3,998,533.88
  6. Step 6: Final answer
    x = 3,929,765.80

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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.