Finding the Fourth Proportional to 5,181,860.49, 7,151,364.25 and 2,859,201.33
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Solution
The fourth proportional to 5,181,860.49, 7,151,364.25 and 2,859,201.33 is: 3,945,916.77
Step by Step Solution
- Step 1: Write the proportion equation
5,181,860.49 : 7,151,364.25 = 2,859,201.33 : x - Step 2: Convert to fraction form
5,181,860.49/7,151,364.25 = 2,859,201.33/x - Step 3: Cross multiply
5,181,860.49x = 7,151,364.25 × 2,859,201.33 - Step 4: Simplify right side
5,181,860.49x = 20,447,190,181,175.26 - Step 5: Solve for x
x = 20,447,190,181,175.26/5,181,860.49 - Step 6: Final answer
x = 3,945,916.77
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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.