Finding the Fourth Proportional to 5,148,479.42, 7,677,231.73 and 5,102,268.97
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Solution
The fourth proportional to 5,148,479.42, 7,677,231.73 and 5,102,268.97 is: 7,608,324.33
Step by Step Solution
- Step 1: Write the proportion equation
5,148,479.42 : 7,677,231.73 = 5,102,268.97 : x - Step 2: Convert to fraction form
5,148,479.42/7,677,231.73 = 5,102,268.97/x - Step 3: Cross multiply
5,148,479.42x = 7,677,231.73 × 5,102,268.97 - Step 4: Simplify right side
5,148,479.42x = 39,171,301,229,564.85 - Step 5: Solve for x
x = 39,171,301,229,564.85/5,148,479.42 - Step 6: Final answer
x = 7,608,324.33
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.