Finding the Fourth Proportional to 3,809,266.68, 5,256,939.65 and 2,090,448.71
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Solution
The fourth proportional to 3,809,266.68, 5,256,939.65 and 2,090,448.71 is: 2,884,902.42
Step by Step Solution
- Step 1: Write the proportion equation
3,809,266.68 : 5,256,939.65 = 2,090,448.71 : x - Step 2: Convert to fraction form
3,809,266.68/5,256,939.65 = 2,090,448.71/x - Step 3: Cross multiply
3,809,266.68x = 5,256,939.65 × 2,090,448.71 - Step 4: Simplify right side
3,809,266.68x = 10,989,362,673,153.41 - Step 5: Solve for x
x = 10,989,362,673,153.41/3,809,266.68 - Step 6: Final answer
x = 2,884,902.42
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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.