Finding the Fourth Proportional to 5,543,408.70, 8,263,871.64 and 5,456,052.90
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Solution
The fourth proportional to 5,543,408.70, 8,263,871.64 and 5,456,052.90 is: 8,133,645.43
Step by Step Solution
- Step 1: Write the proportion equation
5,543,408.70 : 8,263,871.64 = 5,456,052.90 : x - Step 2: Convert to fraction form
5,543,408.70/8,263,871.64 = 5,456,052.90/x - Step 3: Cross multiply
5,543,408.70x = 8,263,871.64 × 5,456,052.90 - Step 4: Simplify right side
5,543,408.70x = 45,088,120,826,649.76 - Step 5: Solve for x
x = 45,088,120,826,649.76/5,543,408.70 - Step 6: Final answer
x = 8,133,645.43
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.