Finding the Fourth Proportional to 4,885,527.20, 7,330,915.20 and 2,045,926.40
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Solution
The fourth proportional to 4,885,527.20, 7,330,915.20 and 2,045,926.40 is: 3,069,988.63
Step by Step Solution
- Step 1: Write the proportion equation
4,885,527.20 : 7,330,915.20 = 2,045,926.40 : x - Step 2: Convert to fraction form
4,885,527.20/7,330,915.20 = 2,045,926.40/x - Step 3: Cross multiply
4,885,527.20x = 7,330,915.20 × 2,045,926.40 - Step 4: Simplify right side
4,885,527.20x = 14,998,512,943,841.28 - Step 5: Solve for x
x = 14,998,512,943,841.28/4,885,527.20 - Step 6: Final answer
x = 3,069,988.63
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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.