Finding the Fourth Proportional to 5,384,676.30, 8,077,014.45 and 2,192,093.70
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Solution
The fourth proportional to 5,384,676.30, 8,077,014.45 and 2,192,093.70 is: 3,288,140.55
Step by Step Solution
- Step 1: Write the proportion equation
5,384,676.30 : 8,077,014.45 = 2,192,093.70 : x - Step 2: Convert to fraction form
5,384,676.30/8,077,014.45 = 2,192,093.70/x - Step 3: Cross multiply
5,384,676.30x = 8,077,014.45 × 2,192,093.70 - Step 4: Simplify right side
5,384,676.30x = 17,705,572,490,653.97 - Step 5: Solve for x
x = 17,705,572,490,653.97/5,384,676.30 - Step 6: Final answer
x = 3,288,140.55
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1.5x scale
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.