Finding the Fourth Proportional to 4,079,076.96, 5,629,130.88 and 2,268,202.08
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Solution
The fourth proportional to 4,079,076.96, 5,629,130.88 and 2,268,202.08 is: 3,130,121.47
Step by Step Solution
- Step 1: Write the proportion equation
4,079,076.96 : 5,629,130.88 = 2,268,202.08 : x - Step 2: Convert to fraction form
4,079,076.96/5,629,130.88 = 2,268,202.08/x - Step 3: Cross multiply
4,079,076.96x = 5,629,130.88 × 2,268,202.08 - Step 4: Simplify right side
4,079,076.96x = 12,768,006,370,608.23 - Step 5: Solve for x
x = 12,768,006,370,608.23/4,079,076.96 - Step 6: Final answer
x = 3,130,121.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.