Finding the Fourth Proportional to 2,278,961.48, 3,144,839.64 and 1,246,265.48
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Solution
The fourth proportional to 2,278,961.48, 3,144,839.64 and 1,246,265.48 is: 1,719,776.80
Step by Step Solution
- Step 1: Write the proportion equation
2,278,961.48 : 3,144,839.64 = 1,246,265.48 : x - Step 2: Convert to fraction form
2,278,961.48/3,144,839.64 = 1,246,265.48/x - Step 3: Cross multiply
2,278,961.48x = 3,144,839.64 × 1,246,265.48 - Step 4: Simplify right side
2,278,961.48x = 3,919,305,083,467.63 - Step 5: Solve for x
x = 3,919,305,083,467.63/2,278,961.48 - Step 6: Final answer
x = 1,719,776.80
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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.