Home / 2,644,238.88-3,647,805.12-1,917,492.48

Finding the Fourth Proportional to 2,644,238.88, 3,647,805.12 and 1,917,492.48

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Solution

The fourth proportional to 2,644,238.88, 3,647,805.12 and 1,917,492.48 is: 2,645,237.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644,238.88 : 3,647,805.12 = 1,917,492.48 : x
  2. Step 2: Convert to fraction form
    2,644,238.88/3,647,805.12 = 1,917,492.48/x
  3. Step 3: Cross multiply
    2,644,238.88x = 3,647,805.12 × 1,917,492.48
  4. Step 4: Simplify right side
    2,644,238.88x = 6,994,638,886,105.50
  5. Step 5: Solve for x
    x = 6,994,638,886,105.50/2,644,238.88
  6. Step 6: Final answer
    x = 2,645,237.14

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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.