Finding the Fourth Proportional to 4,585,422.60, 6,861,804.30 and 3,992,891.40
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Solution
The fourth proportional to 4,585,422.60, 6,861,804.30 and 3,992,891.40 is: 5,975,117.62
Step by Step Solution
- Step 1: Write the proportion equation
4,585,422.60 : 6,861,804.30 = 3,992,891.40 : x - Step 2: Convert to fraction form
4,585,422.60/6,861,804.30 = 3,992,891.40/x - Step 3: Cross multiply
4,585,422.60x = 6,861,804.30 × 3,992,891.40 - Step 4: Simplify right side
4,585,422.60x = 27,398,439,377,953.02 - Step 5: Solve for x
x = 27,398,439,377,953.02/4,585,422.60 - Step 6: Final answer
x = 5,975,117.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.