Finding the Fourth Proportional to 6,459,893.02, 9,691,217.34 and 3,223,171.09
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Solution
The fourth proportional to 6,459,893.02, 9,691,217.34 and 3,223,171.09 is: 4,835,444.09
Step by Step Solution
- Step 1: Write the proportion equation
6,459,893.02 : 9,691,217.34 = 3,223,171.09 : x - Step 2: Convert to fraction form
6,459,893.02/9,691,217.34 = 3,223,171.09/x - Step 3: Cross multiply
6,459,893.02x = 9,691,217.34 × 3,223,171.09 - Step 4: Simplify right side
6,459,893.02x = 31,236,451,492,622.76 - Step 5: Solve for x
x = 31,236,451,492,622.76/6,459,893.02 - Step 6: Final answer
x = 4,835,444.09
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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.