Finding the Fourth Proportional to 3,342,155.18, 4,612,187.99 and 1,892,130.44
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Solution
The fourth proportional to 3,342,155.18, 4,612,187.99 and 1,892,130.44 is: 2,611,147.84
Step by Step Solution
- Step 1: Write the proportion equation
3,342,155.18 : 4,612,187.99 = 1,892,130.44 : x - Step 2: Convert to fraction form
3,342,155.18/4,612,187.99 = 1,892,130.44/x - Step 3: Cross multiply
3,342,155.18x = 4,612,187.99 × 1,892,130.44 - Step 4: Simplify right side
3,342,155.18x = 8,726,861,272,550.80 - Step 5: Solve for x
x = 8,726,861,272,550.80/3,342,155.18 - Step 6: Final answer
x = 2,611,147.84
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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.