Finding the Fourth Proportional to 2,538,208.92, 3,502,706.70 and 1,392,268.44
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Solution
The fourth proportional to 2,538,208.92, 3,502,706.70 and 1,392,268.44 is: 1,921,318.59
Step by Step Solution
- Step 1: Write the proportion equation
2,538,208.92 : 3,502,706.70 = 1,392,268.44 : x - Step 2: Convert to fraction form
2,538,208.92/3,502,706.70 = 1,392,268.44/x - Step 3: Cross multiply
2,538,208.92x = 3,502,706.70 × 1,392,268.44 - Step 4: Simplify right side
2,538,208.92x = 4,876,707,992,986.55 - Step 5: Solve for x
x = 4,876,707,992,986.55/2,538,208.92 - Step 6: Final answer
x = 1,921,318.59
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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.