Finding the Fourth Proportional to 5,509,616.91, 7,605,409.89 and 4,136,924.49
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Solution
The fourth proportional to 5,509,616.91, 7,605,409.89 and 4,136,924.49 is: 5,710,561.54
Step by Step Solution
- Step 1: Write the proportion equation
5,509,616.91 : 7,605,409.89 = 4,136,924.49 : x - Step 2: Convert to fraction form
5,509,616.91/7,605,409.89 = 4,136,924.49/x - Step 3: Cross multiply
5,509,616.91x = 7,605,409.89 × 4,136,924.49 - Step 4: Simplify right side
5,509,616.91x = 31,463,006,445,942.68 - Step 5: Solve for x
x = 31,463,006,445,942.68/5,509,616.91 - Step 6: Final answer
x = 5,710,561.54
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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.