Finding the Fourth Proportional to 3,879,915.36, 5,352,428.82 and 3,014,553.48
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Solution
The fourth proportional to 3,879,915.36, 5,352,428.82 and 3,014,553.48 is: 4,158,643.02
Step by Step Solution
- Step 1: Write the proportion equation
3,879,915.36 : 5,352,428.82 = 3,014,553.48 : x - Step 2: Convert to fraction form
3,879,915.36/5,352,428.82 = 3,014,553.48/x - Step 3: Cross multiply
3,879,915.36x = 5,352,428.82 × 3,014,553.48 - Step 4: Simplify right side
3,879,915.36x = 16,135,182,925,783.29 - Step 5: Solve for x
x = 16,135,182,925,783.29/3,879,915.36 - Step 6: Final answer
x = 4,158,643.02
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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.