Finding the Fourth Proportional to 1,361,715.86, 2,036,884.74 and 956,879.48
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Solution
The fourth proportional to 1,361,715.86, 2,036,884.74 and 956,879.48 is: 1,431,321.52
Step by Step Solution
- Step 1: Write the proportion equation
1,361,715.86 : 2,036,884.74 = 956,879.48 : x - Step 2: Convert to fraction form
1,361,715.86/2,036,884.74 = 956,879.48/x - Step 3: Cross multiply
1,361,715.86x = 2,036,884.74 × 956,879.48 - Step 4: Simplify right side
1,361,715.86x = 1,949,053,200,646.71 - Step 5: Solve for x
x = 1,949,053,200,646.71/1,361,715.86 - Step 6: Final answer
x = 1,431,321.52
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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.