Finding the Fourth Proportional to 6,481,939.84, 8,945,257.35 and 3,581,517.58
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Solution
The fourth proportional to 6,481,939.84, 8,945,257.35 and 3,581,517.58 is: 4,942,593.92
Step by Step Solution
- Step 1: Write the proportion equation
6,481,939.84 : 8,945,257.35 = 3,581,517.58 : x - Step 2: Convert to fraction form
6,481,939.84/8,945,257.35 = 3,581,517.58/x - Step 3: Cross multiply
6,481,939.84x = 8,945,257.35 × 3,581,517.58 - Step 4: Simplify right side
6,481,939.84x = 32,037,596,456,649.21 - Step 5: Solve for x
x = 32,037,596,456,649.21/6,481,939.84 - Step 6: Final answer
x = 4,942,593.92
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1.5x scale
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.