Finding the Fourth Proportional to 5,448,643.70, 8,174,715.15 and 2,414,837.30
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Solution
The fourth proportional to 5,448,643.70, 8,174,715.15 and 2,414,837.30 is: 3,623,031.37
Step by Step Solution
- Step 1: Write the proportion equation
5,448,643.70 : 8,174,715.15 = 2,414,837.30 : x - Step 2: Convert to fraction form
5,448,643.70/8,174,715.15 = 2,414,837.30/x - Step 3: Cross multiply
5,448,643.70x = 8,174,715.15 × 2,414,837.30 - Step 4: Simplify right side
5,448,643.70x = 19,740,607,061,095.09 - Step 5: Solve for x
x = 19,740,607,061,095.09/5,448,643.70 - Step 6: Final answer
x = 3,623,031.37
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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.