Finding the Fourth Proportional to 4,882,816.80, 7,324,916.40 and 1,516,672.80
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Solution
The fourth proportional to 4,882,816.80, 7,324,916.40 and 1,516,672.80 is: 2,275,223.90
Step by Step Solution
- Step 1: Write the proportion equation
4,882,816.80 : 7,324,916.40 = 1,516,672.80 : x - Step 2: Convert to fraction form
4,882,816.80/7,324,916.40 = 1,516,672.80/x - Step 3: Cross multiply
4,882,816.80x = 7,324,916.40 × 1,516,672.80 - Step 4: Simplify right side
4,882,816.80x = 11,109,501,466,153.92 - Step 5: Solve for x
x = 11,109,501,466,153.92/4,882,816.80 - Step 6: Final answer
x = 2,275,223.90
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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.