Finding the Fourth Proportional to 5,325,345.10, 7,983,352.05 and 3,193,165.90
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Solution
The fourth proportional to 5,325,345.10, 7,983,352.05 and 3,193,165.90 is: 4,786,951.28
Step by Step Solution
- Step 1: Write the proportion equation
5,325,345.10 : 7,983,352.05 = 3,193,165.90 : x - Step 2: Convert to fraction form
5,325,345.10/7,983,352.05 = 3,193,165.90/x - Step 3: Cross multiply
5,325,345.10x = 7,983,352.05 × 3,193,165.90 - Step 4: Simplify right side
5,325,345.10x = 25,492,167,533,755.09 - Step 5: Solve for x
x = 25,492,167,533,755.09/5,325,345.10 - Step 6: Final answer
x = 4,786,951.28
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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.