Home / 1,918,753.26-2,647,883.43-1,059,315.18

Finding the Fourth Proportional to 1,918,753.26, 2,647,883.43 and 1,059,315.18

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Solution

The fourth proportional to 1,918,753.26, 2,647,883.43 and 1,059,315.18 is: 1,461,857.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,753.26 : 2,647,883.43 = 1,059,315.18 : x
  2. Step 2: Convert to fraction form
    1,918,753.26/2,647,883.43 = 1,059,315.18/x
  3. Step 3: Cross multiply
    1,918,753.26x = 2,647,883.43 × 1,059,315.18
  4. Step 4: Simplify right side
    1,918,753.26x = 2,804,943,112,269.47
  5. Step 5: Solve for x
    x = 2,804,943,112,269.47/1,918,753.26
  6. Step 6: Final answer
    x = 1,461,857.12

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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.