Finding the Fourth Proportional to 6,045,335.40, 8,342,480.42 and 3,431,816.75
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Solution
The fourth proportional to 6,045,335.40, 8,342,480.42 and 3,431,816.75 is: 4,735,860.32
Step by Step Solution
- Step 1: Write the proportion equation
6,045,335.40 : 8,342,480.42 = 3,431,816.75 : x - Step 2: Convert to fraction form
6,045,335.40/8,342,480.42 = 3,431,816.75/x - Step 3: Cross multiply
6,045,335.40x = 8,342,480.42 × 3,431,816.75 - Step 4: Simplify right side
6,045,335.40x = 28,629,864,014,290.11 - Step 5: Solve for x
x = 28,629,864,014,290.11/6,045,335.40 - Step 6: Final answer
x = 4,735,860.32
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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.