Finding the Fourth Proportional to 4,745,391.40, 6,548,759.99 and 2,910,861.28
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Solution
The fourth proportional to 4,745,391.40, 6,548,759.99 and 2,910,861.28 is: 4,017,062.09
Step by Step Solution
- Step 1: Write the proportion equation
4,745,391.40 : 6,548,759.99 = 2,910,861.28 : x - Step 2: Convert to fraction form
4,745,391.40/6,548,759.99 = 2,910,861.28/x - Step 3: Cross multiply
4,745,391.40x = 6,548,759.99 × 2,910,861.28 - Step 4: Simplify right side
4,745,391.40x = 19,062,531,886,904.19 - Step 5: Solve for x
x = 19,062,531,886,904.19/4,745,391.40 - Step 6: Final answer
x = 4,017,062.09
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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.