Finding the Fourth Proportional to 5,384,860.92, 8,076,204.90 and 1,971,982.49
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Solution
The fourth proportional to 5,384,860.92, 8,076,204.90 and 1,971,982.49 is: 2,957,575.85
Step by Step Solution
- Step 1: Write the proportion equation
5,384,860.92 : 8,076,204.90 = 1,971,982.49 : x - Step 2: Convert to fraction form
5,384,860.92/8,076,204.90 = 1,971,982.49/x - Step 3: Cross multiply
5,384,860.92x = 8,076,204.90 × 1,971,982.49 - Step 4: Simplify right side
5,384,860.92x = 15,926,134,608,071.18 - Step 5: Solve for x
x = 15,926,134,608,071.18/5,384,860.92 - Step 6: Final answer
x = 2,957,575.85
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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.