Finding the Fourth Proportional to 6,869,951.80, 10,304,927.70 and 1,821,772.60
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Solution
The fourth proportional to 6,869,951.80, 10,304,927.70 and 1,821,772.60 is: 2,732,658.90
Step by Step Solution
- Step 1: Write the proportion equation
6,869,951.80 : 10,304,927.70 = 1,821,772.60 : x - Step 2: Convert to fraction form
6,869,951.80/10,304,927.70 = 1,821,772.60/x - Step 3: Cross multiply
6,869,951.80x = 10,304,927.70 × 1,821,772.60 - Step 4: Simplify right side
6,869,951.80x = 18,773,234,928,841.02 - Step 5: Solve for x
x = 18,773,234,928,841.02/6,869,951.80 - Step 6: Final answer
x = 2,732,658.90
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1.5x scale
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.