Home / 1,978,979.20-2,968,468.80-1,742,588.80

Finding the Fourth Proportional to 1,978,979.20, 2,968,468.80 and 1,742,588.80

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Solution

The fourth proportional to 1,978,979.20, 2,968,468.80 and 1,742,588.80 is: 2,613,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,979.20 : 2,968,468.80 = 1,742,588.80 : x
  2. Step 2: Convert to fraction form
    1,978,979.20/2,968,468.80 = 1,742,588.80/x
  3. Step 3: Cross multiply
    1,978,979.20x = 2,968,468.80 × 1,742,588.80
  4. Step 4: Simplify right side
    1,978,979.20x = 5,172,820,484,029.44
  5. Step 5: Solve for x
    x = 5,172,820,484,029.44/1,978,979.20
  6. Step 6: Final answer
    x = 2,613,883.20

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