Finding the Fourth Proportional to 6,474,410.70, 9,712,912.05 and 1,925,450.70
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Solution
The fourth proportional to 6,474,410.70, 9,712,912.05 and 1,925,450.70 is: 2,888,561.47
Step by Step Solution
- Step 1: Write the proportion equation
6,474,410.70 : 9,712,912.05 = 1,925,450.70 : x - Step 2: Convert to fraction form
6,474,410.70/9,712,912.05 = 1,925,450.70/x - Step 3: Cross multiply
6,474,410.70x = 9,712,912.05 × 1,925,450.70 - Step 4: Simplify right side
6,474,410.70x = 18,701,733,305,710.94 - Step 5: Solve for x
x = 18,701,733,305,710.94/6,474,410.70 - Step 6: Final answer
x = 2,888,561.47
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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.