Home / 1,918,596.07-2,647,646.33-1,059,137.88

Finding the Fourth Proportional to 1,918,596.07, 2,647,646.33 and 1,059,137.88

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Solution

The fourth proportional to 1,918,596.07, 2,647,646.33 and 1,059,137.88 is: 1,461,601.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,596.07 : 2,647,646.33 = 1,059,137.88 : x
  2. Step 2: Convert to fraction form
    1,918,596.07/2,647,646.33 = 1,059,137.88/x
  3. Step 3: Cross multiply
    1,918,596.07x = 2,647,646.33 × 1,059,137.88
  4. Step 4: Simplify right side
    1,918,596.07x = 2,804,222,505,721.62
  5. Step 5: Solve for x
    x = 2,804,222,505,721.62/1,918,596.07
  6. Step 6: Final answer
    x = 1,461,601.30

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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.