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Finding the Fourth Proportional to 1,978,367.85, 2,968,018.25 and 1,575,084.74

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Solution

The fourth proportional to 1,978,367.85, 2,968,018.25 and 1,575,084.74 is: 2,362,998.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,367.85 : 2,968,018.25 = 1,575,084.74 : x
  2. Step 2: Convert to fraction form
    1,978,367.85/2,968,018.25 = 1,575,084.74/x
  3. Step 3: Cross multiply
    1,978,367.85x = 2,968,018.25 × 1,575,084.74
  4. Step 4: Simplify right side
    1,978,367.85x = 4,674,880,230,900.99
  5. Step 5: Solve for x
    x = 4,674,880,230,900.99/1,978,367.85
  6. Step 6: Final answer
    x = 2,362,998.48

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