Finding the Fourth Proportional to 5,444,990.82, 7,514,526.63 and 3,122,099.49
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Solution
The fourth proportional to 5,444,990.82, 7,514,526.63 and 3,122,099.49 is: 4,308,749.19
Step by Step Solution
- Step 1: Write the proportion equation
5,444,990.82 : 7,514,526.63 = 3,122,099.49 : x - Step 2: Convert to fraction form
5,444,990.82/7,514,526.63 = 3,122,099.49/x - Step 3: Cross multiply
5,444,990.82x = 7,514,526.63 × 3,122,099.49 - Step 4: Simplify right side
5,444,990.82x = 23,461,099,759,114.42 - Step 5: Solve for x
x = 23,461,099,759,114.42/5,444,990.82 - Step 6: Final answer
x = 4,308,749.19
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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.