Finding the Fourth Proportional to 3,320,990.37, 4,977,208.47 and 1,611,825.99
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Solution
The fourth proportional to 3,320,990.37, 4,977,208.47 and 1,611,825.99 is: 2,415,663.12
Step by Step Solution
- Step 1: Write the proportion equation
3,320,990.37 : 4,977,208.47 = 1,611,825.99 : x - Step 2: Convert to fraction form
3,320,990.37/4,977,208.47 = 1,611,825.99/x - Step 3: Cross multiply
3,320,990.37x = 4,977,208.47 × 1,611,825.99 - Step 4: Simplify right side
3,320,990.37x = 8,022,393,969,594.14 - Step 5: Solve for x
x = 8,022,393,969,594.14/3,320,990.37 - Step 6: Final answer
x = 2,415,663.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.