Finding the Fourth Proportional to 4,891,715.64, 6,751,190.37 and 2,957,990.06
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Solution
The fourth proportional to 4,891,715.64, 6,751,190.37 and 2,957,990.06 is: 4,082,402.88
Step by Step Solution
- Step 1: Write the proportion equation
4,891,715.64 : 6,751,190.37 = 2,957,990.06 : x - Step 2: Convert to fraction form
4,891,715.64/6,751,190.37 = 2,957,990.06/x - Step 3: Cross multiply
4,891,715.64x = 6,751,190.37 × 2,957,990.06 - Step 4: Simplify right side
4,891,715.64x = 19,969,954,024,505.70 - Step 5: Solve for x
x = 19,969,954,024,505.70/4,891,715.64 - Step 6: Final answer
x = 4,082,402.88
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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.