Home / 1,756,418.20-2,422,519.73-1,511,819.26

Finding the Fourth Proportional to 1,756,418.20, 2,422,519.73 and 1,511,819.26

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Solution

The fourth proportional to 1,756,418.20, 2,422,519.73 and 1,511,819.26 is: 2,085,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756,418.20 : 2,422,519.73 = 1,511,819.26 : x
  2. Step 2: Convert to fraction form
    1,756,418.20/2,422,519.73 = 1,511,819.26/x
  3. Step 3: Cross multiply
    1,756,418.20x = 2,422,519.73 × 1,511,819.26
  4. Step 4: Simplify right side
    1,756,418.20x = 3,662,411,977,984.90
  5. Step 5: Solve for x
    x = 3,662,411,977,984.90/1,756,418.20
  6. Step 6: Final answer
    x = 2,085,159.43

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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.