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Finding the Fourth Proportional to 3,697,120, 5,545,680 and 1,333,216

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Solution

The fourth proportional to 3,697,120, 5,545,680 and 1,333,216 is: 1,999,824

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,697,120 : 5,545,680 = 1,333,216 : x
  2. Step 2: Convert to fraction form
    3,697,120/5,545,680 = 1,333,216/x
  3. Step 3: Cross multiply
    3,697,120x = 5,545,680 × 1,333,216
  4. Step 4: Simplify right side
    3,697,120x = 7,393,589,306,880
  5. Step 5: Solve for x
    x = 7,393,589,306,880/3,697,120
  6. Step 6: Final answer
    x = 1,999,824

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