Finding the Fourth Proportional to 5,446,015.36, 7,515,437.79 and 2,998,574.44
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Solution
The fourth proportional to 5,446,015.36, 7,515,437.79 and 2,998,574.44 is: 4,137,997.82
Step by Step Solution
- Step 1: Write the proportion equation
5,446,015.36 : 7,515,437.79 = 2,998,574.44 : x - Step 2: Convert to fraction form
5,446,015.36/7,515,437.79 = 2,998,574.44/x - Step 3: Cross multiply
5,446,015.36x = 7,515,437.79 × 2,998,574.44 - Step 4: Simplify right side
5,446,015.36x = 22,535,599,662,504.09 - Step 5: Solve for x
x = 22,535,599,662,504.09/5,446,015.36 - Step 6: Final answer
x = 4,137,997.82
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1.5x scale
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.