Finding the Fourth Proportional to 5,536,321.40, 8,306,555.70 and 2,172,942.20
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Solution
The fourth proportional to 5,536,321.40, 8,306,555.70 and 2,172,942.20 is: 3,260,227.16
Step by Step Solution
- Step 1: Write the proportion equation
5,536,321.40 : 8,306,555.70 = 2,172,942.20 : x - Step 2: Convert to fraction form
5,536,321.40/8,306,555.70 = 2,172,942.20/x - Step 3: Cross multiply
5,536,321.40x = 8,306,555.70 × 2,172,942.20 - Step 4: Simplify right side
5,536,321.40x = 18,049,665,417,180.54 - Step 5: Solve for x
x = 18,049,665,417,180.54/5,536,321.40 - Step 6: Final answer
x = 3,260,227.16
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1.5x scale
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.