Finding the Fourth Proportional to 4,286,897.20, 5,915,926.53 and 2,544,915.94
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Solution
The fourth proportional to 4,286,897.20, 5,915,926.53 and 2,544,915.94 is: 3,511,988.98
Step by Step Solution
- Step 1: Write the proportion equation
4,286,897.20 : 5,915,926.53 = 2,544,915.94 : x - Step 2: Convert to fraction form
4,286,897.20/5,915,926.53 = 2,544,915.94/x - Step 3: Cross multiply
4,286,897.20x = 5,915,926.53 × 2,544,915.94 - Step 4: Simplify right side
4,286,897.20x = 15,055,535,711,276.07 - Step 5: Solve for x
x = 15,055,535,711,276.07/4,286,897.20 - Step 6: Final answer
x = 3,511,988.98
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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.