Finding the Fourth Proportional to 1,460,472.81, 2,190,916.56 and 449,678.79
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Solution
The fourth proportional to 1,460,472.81, 2,190,916.56 and 449,678.79 is: 674,582.03
Step by Step Solution
- Step 1: Write the proportion equation
1,460,472.81 : 2,190,916.56 = 449,678.79 : x - Step 2: Convert to fraction form
1,460,472.81/2,190,916.56 = 449,678.79/x - Step 3: Cross multiply
1,460,472.81x = 2,190,916.56 × 449,678.79 - Step 4: Simplify right side
1,460,472.81x = 985,208,707,691.76 - Step 5: Solve for x
x = 985,208,707,691.76/1,460,472.81 - Step 6: Final answer
x = 674,582.03
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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.