Finding the Fourth Proportional to 2,108,957.88, 3,163,425.30 and 511,517.88
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Solution
The fourth proportional to 2,108,957.88, 3,163,425.30 and 511,517.88 is: 767,274.03
Step by Step Solution
- Step 1: Write the proportion equation
2,108,957.88 : 3,163,425.30 = 511,517.88 : x - Step 2: Convert to fraction form
2,108,957.88/3,163,425.30 = 511,517.88/x - Step 3: Cross multiply
2,108,957.88x = 3,163,425.30 × 511,517.88 - Step 4: Simplify right side
2,108,957.88x = 1,618,148,602,994.36 - Step 5: Solve for x
x = 1,618,148,602,994.36/2,108,957.88 - Step 6: Final answer
x = 767,274.03
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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.