Finding the Fourth Proportional to 3,522,583.36, 4,862,653.12 and 2,378,213.76
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Solution
The fourth proportional to 3,522,583.36, 4,862,653.12 and 2,378,213.76 is: 3,282,939.64
Step by Step Solution
- Step 1: Write the proportion equation
3,522,583.36 : 4,862,653.12 = 2,378,213.76 : x - Step 2: Convert to fraction form
3,522,583.36/4,862,653.12 = 2,378,213.76/x - Step 3: Cross multiply
3,522,583.36x = 4,862,653.12 × 2,378,213.76 - Step 4: Simplify right side
3,522,583.36x = 11,564,428,560,090.93 - Step 5: Solve for x
x = 11,564,428,560,090.93/3,522,583.36 - Step 6: Final answer
x = 3,282,939.64
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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.