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Finding the Fourth Proportional to 2,662,669.60, 3,994,004.40 and 2,213,897.20

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Solution

The fourth proportional to 2,662,669.60, 3,994,004.40 and 2,213,897.20 is: 3,320,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,662,669.60 : 3,994,004.40 = 2,213,897.20 : x
  2. Step 2: Convert to fraction form
    2,662,669.60/3,994,004.40 = 2,213,897.20/x
  3. Step 3: Cross multiply
    2,662,669.60x = 3,994,004.40 × 2,213,897.20
  4. Step 4: Simplify right side
    2,662,669.60x = 8,842,315,157,947.68
  5. Step 5: Solve for x
    x = 8,842,315,157,947.68/2,662,669.60
  6. Step 6: Final answer
    x = 3,320,845.80

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