Home / 1,918,822.82-2,647,968.12-1,059,376.77

Finding the Fourth Proportional to 1,918,822.82, 2,647,968.12 and 1,059,376.77

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Solution

The fourth proportional to 1,918,822.82, 2,647,968.12 and 1,059,376.77 is: 1,461,935.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,822.82 : 2,647,968.12 = 1,059,376.77 : x
  2. Step 2: Convert to fraction form
    1,918,822.82/2,647,968.12 = 1,059,376.77/x
  3. Step 3: Cross multiply
    1,918,822.82x = 2,647,968.12 × 1,059,376.77
  4. Step 4: Simplify right side
    1,918,822.82x = 2,805,195,914,028.57
  5. Step 5: Solve for x
    x = 2,805,195,914,028.57/1,918,822.82
  6. Step 6: Final answer
    x = 1,461,935.88

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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.