Finding the Fourth Proportional to 3,809,296.68, 5,256,981.18 and 2,090,478.84
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Solution
The fourth proportional to 3,809,296.68, 5,256,981.18 and 2,090,478.84 is: 2,884,944.08
Step by Step Solution
- Step 1: Write the proportion equation
3,809,296.68 : 5,256,981.18 = 2,090,478.84 : x - Step 2: Convert to fraction form
3,809,296.68/5,256,981.18 = 2,090,478.84/x - Step 3: Cross multiply
3,809,296.68x = 5,256,981.18 × 2,090,478.84 - Step 4: Simplify right side
3,809,296.68x = 10,989,607,919,068.23 - Step 5: Solve for x
x = 10,989,607,919,068.23/3,809,296.68 - Step 6: Final answer
x = 2,884,944.08
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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.