Home / 2,181,804.93-3,272,896.53-665,829.18

Finding the Fourth Proportional to 2,181,804.93, 3,272,896.53 and 665,829.18

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Solution

The fourth proportional to 2,181,804.93, 3,272,896.53 and 665,829.18 is: 998,801.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,804.93 : 3,272,896.53 = 665,829.18 : x
  2. Step 2: Convert to fraction form
    2,181,804.93/3,272,896.53 = 665,829.18/x
  3. Step 3: Cross multiply
    2,181,804.93x = 3,272,896.53 × 665,829.18
  4. Step 4: Simplify right side
    2,181,804.93x = 2,179,190,012,794.75
  5. Step 5: Solve for x
    x = 2,179,190,012,794.75/2,181,804.93
  6. Step 6: Final answer
    x = 998,801.49

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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.