Finding the Fourth Proportional to 1,765,858.26, 2,436,931.08 and 991,550.91
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Solution
The fourth proportional to 1,765,858.26, 2,436,931.08 and 991,550.91 is: 1,368,366.47
Step by Step Solution
- Step 1: Write the proportion equation
1,765,858.26 : 2,436,931.08 = 991,550.91 : x - Step 2: Convert to fraction form
1,765,858.26/2,436,931.08 = 991,550.91/x - Step 3: Cross multiply
1,765,858.26x = 2,436,931.08 × 991,550.91 - Step 4: Simplify right side
1,765,858.26x = 2,416,341,229,981.28 - Step 5: Solve for x
x = 2,416,341,229,981.28/1,765,858.26 - Step 6: Final answer
x = 1,368,366.47
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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.