Finding the Fourth Proportional to 5,277,696.14, 7,279,465.29 and 4,843,515.87
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Solution
The fourth proportional to 5,277,696.14, 7,279,465.29 and 4,843,515.87 is: 6,680,605.47
Step by Step Solution
- Step 1: Write the proportion equation
5,277,696.14 : 7,279,465.29 = 4,843,515.87 : x - Step 2: Convert to fraction form
5,277,696.14/7,279,465.29 = 4,843,515.87/x - Step 3: Cross multiply
5,277,696.14x = 7,279,465.29 × 4,843,515.87 - Step 4: Simplify right side
5,277,696.14x = 35,258,205,657,229.16 - Step 5: Solve for x
x = 35,258,205,657,229.16/5,277,696.14 - Step 6: Final answer
x = 6,680,605.47
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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.