Finding the Fourth Proportional to 3,516,879.79, 5,274,581.51 and 991,944.55
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Solution
The fourth proportional to 3,516,879.79, 5,274,581.51 and 991,944.55 is: 1,487,708.62
Step by Step Solution
- Step 1: Write the proportion equation
3,516,879.79 : 5,274,581.51 = 991,944.55 : x - Step 2: Convert to fraction form
3,516,879.79/5,274,581.51 = 991,944.55/x - Step 3: Cross multiply
3,516,879.79x = 5,274,581.51 × 991,944.55 - Step 4: Simplify right side
3,516,879.79x = 5,232,092,377,415.55 - Step 5: Solve for x
x = 5,232,092,377,415.55/3,516,879.79 - Step 6: Final answer
x = 1,487,708.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.