Finding the Fourth Proportional to 5,458,878.05, 8,195,412.69 and 4,197,591.41
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Solution
The fourth proportional to 5,458,878.05, 8,195,412.69 and 4,197,591.41 is: 6,301,843.27
Step by Step Solution
- Step 1: Write the proportion equation
5,458,878.05 : 8,195,412.69 = 4,197,591.41 : x - Step 2: Convert to fraction form
5,458,878.05/8,195,412.69 = 4,197,591.41/x - Step 3: Cross multiply
5,458,878.05x = 8,195,412.69 × 4,197,591.41 - Step 4: Simplify right side
5,458,878.05x = 34,400,993,867,971.93 - Step 5: Solve for x
x = 34,400,993,867,971.93/5,458,878.05 - Step 6: Final answer
x = 6,301,843.27
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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.