Home / 2,158,079.76-2,978,150.24-1,191,210.30

Finding the Fourth Proportional to 2,158,079.76, 2,978,150.24 and 1,191,210.30

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Solution

The fourth proportional to 2,158,079.76, 2,978,150.24 and 1,191,210.30 is: 1,643,870.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,079.76 : 2,978,150.24 = 1,191,210.30 : x
  2. Step 2: Convert to fraction form
    2,158,079.76/2,978,150.24 = 1,191,210.30/x
  3. Step 3: Cross multiply
    2,158,079.76x = 2,978,150.24 × 1,191,210.30
  4. Step 4: Simplify right side
    2,158,079.76x = 3,547,603,240,835.47
  5. Step 5: Solve for x
    x = 3,547,603,240,835.47/2,158,079.76
  6. Step 6: Final answer
    x = 1,643,870.31

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