Finding the Fourth Proportional to 1,449,844.88, 2,173,569.96 and 639,651.92
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Solution
The fourth proportional to 1,449,844.88, 2,173,569.96 and 639,651.92 is: 958,949.62
Step by Step Solution
- Step 1: Write the proportion equation
1,449,844.88 : 2,173,569.96 = 639,651.92 : x - Step 2: Convert to fraction form
1,449,844.88/2,173,569.96 = 639,651.92/x - Step 3: Cross multiply
1,449,844.88x = 2,173,569.96 × 639,651.92 - Step 4: Simplify right side
1,449,844.88x = 1,390,328,198,168.32 - Step 5: Solve for x
x = 1,390,328,198,168.32/1,449,844.88 - Step 6: Final answer
x = 958,949.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.