Finding the Fourth Proportional to 3,015,799.68, 4,161,845.76 and 1,639,143
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Solution
The fourth proportional to 3,015,799.68, 4,161,845.76 and 1,639,143 is: 2,262,040.28
Step by Step Solution
- Step 1: Write the proportion equation
3,015,799.68 : 4,161,845.76 = 1,639,143 : x - Step 2: Convert to fraction form
3,015,799.68/4,161,845.76 = 1,639,143/x - Step 3: Cross multiply
3,015,799.68x = 4,161,845.76 × 1,639,143 - Step 4: Simplify right side
3,015,799.68x = 6,821,860,344,583.68 - Step 5: Solve for x
x = 6,821,860,344,583.68/3,015,799.68 - Step 6: Final answer
x = 2,262,040.28
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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.