Home / 1,989,760.92-2,745,090.54-1,224,485.88

Finding the Fourth Proportional to 1,989,760.92, 2,745,090.54 and 1,224,485.88

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Solution

The fourth proportional to 1,989,760.92, 2,745,090.54 and 1,224,485.88 is: 1,689,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,760.92 : 2,745,090.54 = 1,224,485.88 : x
  2. Step 2: Convert to fraction form
    1,989,760.92/2,745,090.54 = 1,224,485.88/x
  3. Step 3: Cross multiply
    1,989,760.92x = 2,745,090.54 × 1,224,485.88
  4. Step 4: Simplify right side
    1,989,760.92x = 3,361,324,605,551.58
  5. Step 5: Solve for x
    x = 3,361,324,605,551.58/1,989,760.92
  6. Step 6: Final answer
    x = 1,689,310.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.