Finding the Fourth Proportional to 5,566,640.49, 7,677,409.41 and 3,918,244.41
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Solution
The fourth proportional to 5,566,640.49, 7,677,409.41 and 3,918,244.41 is: 5,403,971.49
Step by Step Solution
- Step 1: Write the proportion equation
5,566,640.49 : 7,677,409.41 = 3,918,244.41 : x - Step 2: Convert to fraction form
5,566,640.49/7,677,409.41 = 3,918,244.41/x - Step 3: Cross multiply
5,566,640.49x = 7,677,409.41 × 3,918,244.41 - Step 4: Simplify right side
5,566,640.49x = 30,081,966,504,013.90 - Step 5: Solve for x
x = 30,081,966,504,013.90/5,566,640.49 - Step 6: Final answer
x = 5,403,971.49
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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.