Finding the Fourth Proportional to 2,485,299.12, 3,728,674.44 and 989,611.44
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Solution
The fourth proportional to 2,485,299.12, 3,728,674.44 and 989,611.44 is: 1,484,706.15
Step by Step Solution
- Step 1: Write the proportion equation
2,485,299.12 : 3,728,674.44 = 989,611.44 : x - Step 2: Convert to fraction form
2,485,299.12/3,728,674.44 = 989,611.44/x - Step 3: Cross multiply
2,485,299.12x = 3,728,674.44 × 989,611.44 - Step 4: Simplify right side
2,485,299.12x = 3,689,938,881,859.59 - Step 5: Solve for x
x = 3,689,938,881,859.59/2,485,299.12 - Step 6: Final answer
x = 1,484,706.15
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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.