Finding the Fourth Proportional to 5,915,483.61, 8,163,372.84 and 3,199,229.61
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Solution
The fourth proportional to 5,915,483.61, 8,163,372.84 and 3,199,229.61 is: 4,414,939.81
Step by Step Solution
- Step 1: Write the proportion equation
5,915,483.61 : 8,163,372.84 = 3,199,229.61 : x - Step 2: Convert to fraction form
5,915,483.61/8,163,372.84 = 3,199,229.61/x - Step 3: Cross multiply
5,915,483.61x = 8,163,372.84 × 3,199,229.61 - Step 4: Simplify right side
5,915,483.61x = 26,116,504,107,197.79 - Step 5: Solve for x
x = 26,116,504,107,197.79/5,915,483.61 - Step 6: Final answer
x = 4,414,939.81
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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.