Finding the Fourth Proportional to 2,278,388.25, 3,143,029.41 and 1,503,202.01
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Solution
The fourth proportional to 2,278,388.25, 3,143,029.41 and 1,503,202.01 is: 2,073,662.43
Step by Step Solution
- Step 1: Write the proportion equation
2,278,388.25 : 3,143,029.41 = 1,503,202.01 : x - Step 2: Convert to fraction form
2,278,388.25/3,143,029.41 = 1,503,202.01/x - Step 3: Cross multiply
2,278,388.25x = 3,143,029.41 × 1,503,202.01 - Step 4: Simplify right side
2,278,388.25x = 4,724,608,110,885.97 - Step 5: Solve for x
x = 4,724,608,110,885.97/2,278,388.25 - Step 6: Final answer
x = 2,073,662.43
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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.