Home / 2,142,858.44-3,214,090.83-722,926.82

Finding the Fourth Proportional to 2,142,858.44, 3,214,090.83 and 722,926.82

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Solution

The fourth proportional to 2,142,858.44, 3,214,090.83 and 722,926.82 is: 1,084,323.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,858.44 : 3,214,090.83 = 722,926.82 : x
  2. Step 2: Convert to fraction form
    2,142,858.44/3,214,090.83 = 722,926.82/x
  3. Step 3: Cross multiply
    2,142,858.44x = 3,214,090.83 × 722,926.82
  4. Step 4: Simplify right side
    2,142,858.44x = 2,323,552,473,669.26
  5. Step 5: Solve for x
    x = 2,323,552,473,669.26/2,142,858.44
  6. Step 6: Final answer
    x = 1,084,323.83

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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.