Finding the Fourth Proportional to 4,089,777.92, 5,643,915.92 and 2,371,916.96
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Solution
The fourth proportional to 4,089,777.92, 5,643,915.92 and 2,371,916.96 is: 3,273,258.39
Step by Step Solution
- Step 1: Write the proportion equation
4,089,777.92 : 5,643,915.92 = 2,371,916.96 : x - Step 2: Convert to fraction form
4,089,777.92/5,643,915.92 = 2,371,916.96/x - Step 3: Cross multiply
4,089,777.92x = 5,643,915.92 × 2,371,916.96 - Step 4: Simplify right side
4,089,777.92x = 13,386,899,891,462.00 - Step 5: Solve for x
x = 13,386,899,891,462.00/4,089,777.92 - Step 6: Final answer
x = 3,273,258.39
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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.