Home / 2,978,220.81-4,469,220.71-1,272,376.96

Finding the Fourth Proportional to 2,978,220.81, 4,469,220.71 and 1,272,376.96

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Solution

The fourth proportional to 2,978,220.81, 4,469,220.71 and 1,272,376.96 is: 1,909,372.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,220.81 : 4,469,220.71 = 1,272,376.96 : x
  2. Step 2: Convert to fraction form
    2,978,220.81/4,469,220.71 = 1,272,376.96/x
  3. Step 3: Cross multiply
    2,978,220.81x = 4,469,220.71 × 1,272,376.96
  4. Step 4: Simplify right side
    2,978,220.81x = 5,686,533,460,558.84
  5. Step 5: Solve for x
    x = 5,686,533,460,558.84/2,978,220.81
  6. Step 6: Final answer
    x = 1,909,372.68

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