Finding the Fourth Proportional to 6,305,942.21, 8,702,160.60 and 3,553,513.77
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Solution
The fourth proportional to 6,305,942.21, 8,702,160.60 and 3,553,513.77 is: 4,903,826.66
Step by Step Solution
- Step 1: Write the proportion equation
6,305,942.21 : 8,702,160.60 = 3,553,513.77 : x - Step 2: Convert to fraction form
6,305,942.21/8,702,160.60 = 3,553,513.77/x - Step 3: Cross multiply
6,305,942.21x = 8,702,160.60 × 3,553,513.77 - Step 4: Simplify right side
6,305,942.21x = 30,923,247,520,851.46 - Step 5: Solve for x
x = 30,923,247,520,851.46/6,305,942.21 - Step 6: Final answer
x = 4,903,826.66
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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.