Home / 2,661,421.70-3,992,132.55-978,176.90

Finding the Fourth Proportional to 2,661,421.70, 3,992,132.55 and 978,176.90

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Solution

The fourth proportional to 2,661,421.70, 3,992,132.55 and 978,176.90 is: 1,467,265.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,421.70 : 3,992,132.55 = 978,176.90 : x
  2. Step 2: Convert to fraction form
    2,661,421.70/3,992,132.55 = 978,176.90/x
  3. Step 3: Cross multiply
    2,661,421.70x = 3,992,132.55 × 978,176.90
  4. Step 4: Simplify right side
    2,661,421.70x = 3,905,011,842,148.10
  5. Step 5: Solve for x
    x = 3,905,011,842,148.10/2,661,421.70
  6. Step 6: Final answer
    x = 1,467,265.35

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