Finding the Fourth Proportional to 5,355,550.24, 7,390,635.96 and 2,908,141.54
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Solution
The fourth proportional to 5,355,550.24, 7,390,635.96 and 2,908,141.54 is: 4,013,222.63
Step by Step Solution
- Step 1: Write the proportion equation
5,355,550.24 : 7,390,635.96 = 2,908,141.54 : x - Step 2: Convert to fraction form
5,355,550.24/7,390,635.96 = 2,908,141.54/x - Step 3: Cross multiply
5,355,550.24x = 7,390,635.96 × 2,908,141.54 - Step 4: Simplify right side
5,355,550.24x = 21,493,015,442,293.78 - Step 5: Solve for x
x = 21,493,015,442,293.78/5,355,550.24 - Step 6: Final answer
x = 4,013,222.63
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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.