Finding the Fourth Proportional to 2,740,427.49, 4,105,916.24 and 1,816,617.09
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Solution
The fourth proportional to 2,740,427.49, 4,105,916.24 and 1,816,617.09 is: 2,721,793.45
Step by Step Solution
- Step 1: Write the proportion equation
2,740,427.49 : 4,105,916.24 = 1,816,617.09 : x - Step 2: Convert to fraction form
2,740,427.49/4,105,916.24 = 1,816,617.09/x - Step 3: Cross multiply
2,740,427.49x = 4,105,916.24 × 1,816,617.09 - Step 4: Simplify right side
2,740,427.49x = 7,458,877,602,609.46 - Step 5: Solve for x
x = 7,458,877,602,609.46/2,740,427.49 - Step 6: Final answer
x = 2,721,793.45
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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.