Finding the Fourth Proportional to 1,465,912.25, 2,188,841.65 and 1,313,122.96
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Solution
The fourth proportional to 1,465,912.25, 2,188,841.65 and 1,313,122.96 is: 1,960,702.78
Step by Step Solution
- Step 1: Write the proportion equation
1,465,912.25 : 2,188,841.65 = 1,313,122.96 : x - Step 2: Convert to fraction form
1,465,912.25/2,188,841.65 = 1,313,122.96/x - Step 3: Cross multiply
1,465,912.25x = 2,188,841.65 × 1,313,122.96 - Step 4: Simplify right side
1,465,912.25x = 2,874,218,225,872.53 - Step 5: Solve for x
x = 2,874,218,225,872.53/1,465,912.25 - Step 6: Final answer
x = 1,960,702.78
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.