Finding the Fourth Proportional to 3,644,135.19, 5,028,944.47 and 2,012,583.98
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Solution
The fourth proportional to 3,644,135.19, 5,028,944.47 and 2,012,583.98 is: 2,777,386.83
Step by Step Solution
- Step 1: Write the proportion equation
3,644,135.19 : 5,028,944.47 = 2,012,583.98 : x - Step 2: Convert to fraction form
3,644,135.19/5,028,944.47 = 2,012,583.98/x - Step 3: Cross multiply
3,644,135.19x = 5,028,944.47 × 2,012,583.98 - Step 4: Simplify right side
3,644,135.19x = 10,121,173,084,172.49 - Step 5: Solve for x
x = 10,121,173,084,172.49/3,644,135.19 - Step 6: Final answer
x = 2,777,386.83
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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.