Finding the Fourth Proportional to 5,755,841.36, 7,943,072.84 and 3,177,525.68
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Solution
The fourth proportional to 5,755,841.36, 7,943,072.84 and 3,177,525.68 is: 4,384,991.93
Step by Step Solution
- Step 1: Write the proportion equation
5,755,841.36 : 7,943,072.84 = 3,177,525.68 : x - Step 2: Convert to fraction form
5,755,841.36/7,943,072.84 = 3,177,525.68/x - Step 3: Cross multiply
5,755,841.36x = 7,943,072.84 × 3,177,525.68 - Step 4: Simplify right side
5,755,841.36x = 25,239,317,927,210.53 - Step 5: Solve for x
x = 25,239,317,927,210.53/5,755,841.36 - Step 6: Final answer
x = 4,384,991.93
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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.