Finding the Fourth Proportional to 1,364,121.36, 1,884,798.44 and 981,391.12
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Solution
The fourth proportional to 1,364,121.36, 1,884,798.44 and 981,391.12 is: 1,355,982.32
Step by Step Solution
- Step 1: Write the proportion equation
1,364,121.36 : 1,884,798.44 = 981,391.12 : x - Step 2: Convert to fraction form
1,364,121.36/1,884,798.44 = 981,391.12/x - Step 3: Cross multiply
1,364,121.36x = 1,884,798.44 × 981,391.12 - Step 4: Simplify right side
1,364,121.36x = 1,849,724,452,005.85 - Step 5: Solve for x
x = 1,849,724,452,005.85/1,364,121.36 - Step 6: Final answer
x = 1,355,982.32
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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.