Home / 1,538,967.60-2,308,918.43-819,186.82

Finding the Fourth Proportional to 1,538,967.60, 2,308,918.43 and 819,186.82

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Solution

The fourth proportional to 1,538,967.60, 2,308,918.43 and 819,186.82 is: 1,229,028.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,967.60 : 2,308,918.43 = 819,186.82 : x
  2. Step 2: Convert to fraction form
    1,538,967.60/2,308,918.43 = 819,186.82/x
  3. Step 3: Cross multiply
    1,538,967.60x = 2,308,918.43 × 819,186.82
  4. Step 4: Simplify right side
    1,538,967.60x = 1,891,435,546,311.09
  5. Step 5: Solve for x
    x = 1,891,435,546,311.09/1,538,967.60
  6. Step 6: Final answer
    x = 1,229,028.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.