Finding the Fourth Proportional to 8,591,903.70, 12,887,563.95 and 2,202,218.70
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Solution
The fourth proportional to 8,591,903.70, 12,887,563.95 and 2,202,218.70 is: 3,303,253.31
Step by Step Solution
- Step 1: Write the proportion equation
8,591,903.70 : 12,887,563.95 = 2,202,218.70 : x - Step 2: Convert to fraction form
8,591,903.70/12,887,563.95 = 2,202,218.70/x - Step 3: Cross multiply
8,591,903.70x = 12,887,563.95 × 2,202,218.70 - Step 4: Simplify right side
8,591,903.70x = 28,381,234,328,135.87 - Step 5: Solve for x
x = 28,381,234,328,135.87/8,591,903.70 - Step 6: Final answer
x = 3,303,253.31
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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.