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Finding the Fourth Proportional to 3,315,874.87, 4,973,811.87 and 919,719.48

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Solution

The fourth proportional to 3,315,874.87, 4,973,811.87 and 919,719.48 is: 1,379,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,874.87 : 4,973,811.87 = 919,719.48 : x
  2. Step 2: Convert to fraction form
    3,315,874.87/4,973,811.87 = 919,719.48/x
  3. Step 3: Cross multiply
    3,315,874.87x = 4,973,811.87 × 919,719.48
  4. Step 4: Simplify right side
    3,315,874.87x = 4,574,511,666,694.23
  5. Step 5: Solve for x
    x = 4,574,511,666,694.23/3,315,874.87
  6. Step 6: Final answer
    x = 1,379,579.10

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