Finding the Fourth Proportional to 5,433,954.66, 7,498,935.06 and 2,986,791.98
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Solution
The fourth proportional to 5,433,954.66, 7,498,935.06 and 2,986,791.98 is: 4,121,815.60
Step by Step Solution
- Step 1: Write the proportion equation
5,433,954.66 : 7,498,935.06 = 2,986,791.98 : x - Step 2: Convert to fraction form
5,433,954.66/7,498,935.06 = 2,986,791.98/x - Step 3: Cross multiply
5,433,954.66x = 7,498,935.06 × 2,986,791.98 - Step 4: Simplify right side
5,433,954.66x = 22,397,759,095,748.82 - Step 5: Solve for x
x = 22,397,759,095,748.82/5,433,954.66 - Step 6: Final answer
x = 4,121,815.60
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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.