Finding the Fourth Proportional to 5,338,123.46, 7,366,614.37 and 2,890,737.19
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Solution
The fourth proportional to 5,338,123.46, 7,366,614.37 and 2,890,737.19 is: 3,989,219.49
Step by Step Solution
- Step 1: Write the proportion equation
5,338,123.46 : 7,366,614.37 = 2,890,737.19 : x - Step 2: Convert to fraction form
5,338,123.46/7,366,614.37 = 2,890,737.19/x - Step 3: Cross multiply
5,338,123.46x = 7,366,614.37 × 2,890,737.19 - Step 4: Simplify right side
5,338,123.46x = 21,294,946,125,728.84 - Step 5: Solve for x
x = 21,294,946,125,728.84/5,338,123.46 - Step 6: Final answer
x = 3,989,219.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.