Finding the Fourth Proportional to 5,915,992.88, 8,163,855.74 and 3,712,043.73
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Solution
The fourth proportional to 5,915,992.88, 8,163,855.74 and 3,712,043.73 is: 5,122,485.80
Step by Step Solution
- Step 1: Write the proportion equation
5,915,992.88 : 8,163,855.74 = 3,712,043.73 : x - Step 2: Convert to fraction form
5,915,992.88/8,163,855.74 = 3,712,043.73/x - Step 3: Cross multiply
5,915,992.88x = 8,163,855.74 × 3,712,043.73 - Step 4: Simplify right side
5,915,992.88x = 30,304,589,493,731.29 - Step 5: Solve for x
x = 30,304,589,493,731.29/5,915,992.88 - Step 6: Final answer
x = 5,122,485.80
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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.