Finding the Fourth Proportional to 3,792,349.68, 5,233,406.78 and 2,073,451.92
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Solution
The fourth proportional to 3,792,349.68, 5,233,406.78 and 2,073,451.92 is: 2,861,344.09
Step by Step Solution
- Step 1: Write the proportion equation
3,792,349.68 : 5,233,406.78 = 2,073,451.92 : x - Step 2: Convert to fraction form
3,792,349.68/5,233,406.78 = 2,073,451.92/x - Step 3: Cross multiply
3,792,349.68x = 5,233,406.78 × 2,073,451.92 - Step 4: Simplify right side
3,792,349.68x = 10,851,217,336,132.02 - Step 5: Solve for x
x = 10,851,217,336,132.02/3,792,349.68 - Step 6: Final answer
x = 2,861,344.09
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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.