Finding the Fourth Proportional to 1,672,015.49, 2,307,523.68 and 946,992.18
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Solution
The fourth proportional to 1,672,015.49, 2,307,523.68 and 946,992.18 is: 1,306,929.81
Step by Step Solution
- Step 1: Write the proportion equation
1,672,015.49 : 2,307,523.68 = 946,992.18 : x - Step 2: Convert to fraction form
1,672,015.49/2,307,523.68 = 946,992.18/x - Step 3: Cross multiply
1,672,015.49x = 2,307,523.68 × 946,992.18 - Step 4: Simplify right side
1,672,015.49x = 2,185,206,888,778.04 - Step 5: Solve for x
x = 2,185,206,888,778.04/1,672,015.49 - Step 6: Final answer
x = 1,306,929.81
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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.