Finding the Fourth Proportional to 3,161,398.05, 4,362,728.99 and 1,711,093.23
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Solution
The fourth proportional to 3,161,398.05, 4,362,728.99 and 1,711,093.23 is: 2,361,308.48
Step by Step Solution
- Step 1: Write the proportion equation
3,161,398.05 : 4,362,728.99 = 1,711,093.23 : x - Step 2: Convert to fraction form
3,161,398.05/4,362,728.99 = 1,711,093.23/x - Step 3: Cross multiply
3,161,398.05x = 4,362,728.99 × 1,711,093.23 - Step 4: Simplify right side
3,161,398.05x = 7,465,036,030,558.27 - Step 5: Solve for x
x = 7,465,036,030,558.27/3,161,398.05 - Step 6: Final answer
x = 2,361,308.48
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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.