Finding the Fourth Proportional to 5,230,755.36, 7,221,662.88 and 4,147,403.04
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Solution
The fourth proportional to 5,230,755.36, 7,221,662.88 and 4,147,403.04 is: 5,725,969.68
Step by Step Solution
- Step 1: Write the proportion equation
5,230,755.36 : 7,221,662.88 = 4,147,403.04 : x - Step 2: Convert to fraction form
5,230,755.36/7,221,662.88 = 4,147,403.04/x - Step 3: Cross multiply
5,230,755.36x = 7,221,662.88 × 4,147,403.04 - Step 4: Simplify right side
5,230,755.36x = 29,951,146,582,367.16 - Step 5: Solve for x
x = 29,951,146,582,367.16/5,230,755.36 - Step 6: Final answer
x = 5,725,969.68
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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.