Finding the Fourth Proportional to 3,775,577.36, 5,210,383.56 and 2,143,725.44
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Solution
The fourth proportional to 3,775,577.36, 5,210,383.56 and 2,143,725.44 is: 2,958,390.39
Step by Step Solution
- Step 1: Write the proportion equation
3,775,577.36 : 5,210,383.56 = 2,143,725.44 : x - Step 2: Convert to fraction form
3,775,577.36/5,210,383.56 = 2,143,725.44/x - Step 3: Cross multiply
3,775,577.36x = 5,210,383.56 × 2,143,725.44 - Step 4: Simplify right side
3,775,577.36x = 11,169,631,789,729.77 - Step 5: Solve for x
x = 11,169,631,789,729.77/3,775,577.36 - Step 6: Final answer
x = 2,958,390.39
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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.