Home / 2,799,579.54-3,863,420.69-1,638,249.06

Finding the Fourth Proportional to 2,799,579.54, 3,863,420.69 and 1,638,249.06

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Solution

The fourth proportional to 2,799,579.54, 3,863,420.69 and 1,638,249.06 is: 2,260,784.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,579.54 : 3,863,420.69 = 1,638,249.06 : x
  2. Step 2: Convert to fraction form
    2,799,579.54/3,863,420.69 = 1,638,249.06/x
  3. Step 3: Cross multiply
    2,799,579.54x = 3,863,420.69 × 1,638,249.06
  4. Step 4: Simplify right side
    2,799,579.54x = 6,329,245,313,777.05
  5. Step 5: Solve for x
    x = 6,329,245,313,777.05/2,799,579.54
  6. Step 6: Final answer
    x = 2,260,784.24

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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.