Finding the Fourth Proportional to 5,427,696.96, 7,491,188.88 and 4,057,915.68
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Solution
The fourth proportional to 5,427,696.96, 7,491,188.88 and 4,057,915.68 is: 5,600,646.65
Step by Step Solution
- Step 1: Write the proportion equation
5,427,696.96 : 7,491,188.88 = 4,057,915.68 : x - Step 2: Convert to fraction form
5,427,696.96/7,491,188.88 = 4,057,915.68/x - Step 3: Cross multiply
5,427,696.96x = 7,491,188.88 × 4,057,915.68 - Step 4: Simplify right side
5,427,696.96x = 30,398,612,817,993.64 - Step 5: Solve for x
x = 30,398,612,817,993.64/5,427,696.96 - Step 6: Final answer
x = 5,600,646.65
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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.