Finding the Fourth Proportional to 1,716,438.11, 2,368,738.96 and 991,272.65
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Solution
The fourth proportional to 1,716,438.11, 2,368,738.96 and 991,272.65 is: 1,367,987.65
Step by Step Solution
- Step 1: Write the proportion equation
1,716,438.11 : 2,368,738.96 = 991,272.65 : x - Step 2: Convert to fraction form
1,716,438.11/2,368,738.96 = 991,272.65/x - Step 3: Cross multiply
1,716,438.11x = 2,368,738.96 × 991,272.65 - Step 4: Simplify right side
1,716,438.11x = 2,348,066,131,715.57 - Step 5: Solve for x
x = 2,348,066,131,715.57/1,716,438.11 - Step 6: Final answer
x = 1,367,987.65
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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.