Finding the Fourth Proportional to 4,119,836.88, 5,685,176.80 and 2,284,369.76
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Solution
The fourth proportional to 4,119,836.88, 5,685,176.80 and 2,284,369.76 is: 3,152,320.43
Step by Step Solution
- Step 1: Write the proportion equation
4,119,836.88 : 5,685,176.80 = 2,284,369.76 : x - Step 2: Convert to fraction form
4,119,836.88/5,685,176.80 = 2,284,369.76/x - Step 3: Cross multiply
4,119,836.88x = 5,685,176.80 × 2,284,369.76 - Step 4: Simplify right side
4,119,836.88x = 12,987,045,962,173.57 - Step 5: Solve for x
x = 12,987,045,962,173.57/4,119,836.88 - Step 6: Final answer
x = 3,152,320.43
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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.