Finding the Fourth Proportional to 4,647,706.80, 6,971,560.20 and 4,470,559.80
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Solution
The fourth proportional to 4,647,706.80, 6,971,560.20 and 4,470,559.80 is: 6,705,839.70
Step by Step Solution
- Step 1: Write the proportion equation
4,647,706.80 : 6,971,560.20 = 4,470,559.80 : x - Step 2: Convert to fraction form
4,647,706.80/6,971,560.20 = 4,470,559.80/x - Step 3: Cross multiply
4,647,706.80x = 6,971,560.20 × 4,470,559.80 - Step 4: Simplify right side
4,647,706.80x = 31,166,776,773,399.96 - Step 5: Solve for x
x = 31,166,776,773,399.96/4,647,706.80 - Step 6: Final answer
x = 6,705,839.70
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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.