Finding the Fourth Proportional to 1,715,611.62, 2,367,293.13 and 990,344.10
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Solution
The fourth proportional to 1,715,611.62, 2,367,293.13 and 990,344.10 is: 1,366,530.02
Step by Step Solution
- Step 1: Write the proportion equation
1,715,611.62 : 2,367,293.13 = 990,344.10 : x - Step 2: Convert to fraction form
1,715,611.62/2,367,293.13 = 990,344.10/x - Step 3: Cross multiply
1,715,611.62x = 2,367,293.13 × 990,344.10 - Step 4: Simplify right side
1,715,611.62x = 2,344,434,784,266.03 - Step 5: Solve for x
x = 2,344,434,784,266.03/1,715,611.62 - Step 6: Final answer
x = 1,366,530.02
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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.