Finding the Fourth Proportional to 5,620,707.48, 8,431,942.50 and 1,833,315.96
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Solution
The fourth proportional to 5,620,707.48, 8,431,942.50 and 1,833,315.96 is: 2,750,261.39
Step by Step Solution
- Step 1: Write the proportion equation
5,620,707.48 : 8,431,942.50 = 1,833,315.96 : x - Step 2: Convert to fraction form
5,620,707.48/8,431,942.50 = 1,833,315.96/x - Step 3: Cross multiply
5,620,707.48x = 8,431,942.50 × 1,833,315.96 - Step 4: Simplify right side
5,620,707.48x = 15,458,414,759,052.30 - Step 5: Solve for x
x = 15,458,414,759,052.30/5,620,707.48 - Step 6: Final answer
x = 2,750,261.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.