Finding the Fourth Proportional to 5,755,839.36, 7,943,070.08 and 3,177,523.68
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Solution
The fourth proportional to 5,755,839.36, 7,943,070.08 and 3,177,523.68 is: 4,384,989.17
Step by Step Solution
- Step 1: Write the proportion equation
5,755,839.36 : 7,943,070.08 = 3,177,523.68 : x - Step 2: Convert to fraction form
5,755,839.36/7,943,070.08 = 3,177,523.68/x - Step 3: Cross multiply
5,755,839.36x = 7,943,070.08 × 3,177,523.68 - Step 4: Simplify right side
5,755,839.36x = 25,239,293,271,099.50 - Step 5: Solve for x
x = 25,239,293,271,099.50/5,755,839.36 - Step 6: Final answer
x = 4,384,989.17
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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.