Finding the Fourth Proportional to 6,539,734.34, 9,811,701.84 and 1,991,662.91
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Solution
The fourth proportional to 6,539,734.34, 9,811,701.84 and 1,991,662.91 is: 2,988,134.01
Step by Step Solution
- Step 1: Write the proportion equation
6,539,734.34 : 9,811,701.84 = 1,991,662.91 : x - Step 2: Convert to fraction form
6,539,734.34/9,811,701.84 = 1,991,662.91/x - Step 3: Cross multiply
6,539,734.34x = 9,811,701.84 × 1,991,662.91 - Step 4: Simplify right side
6,539,734.34x = 19,541,602,609,198.34 - Step 5: Solve for x
x = 19,541,602,609,198.34/6,539,734.34 - Step 6: Final answer
x = 2,988,134.01
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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.