Finding the Fourth Proportional to 6,991,307.76, 10,487,530.80 and 1,942,618.80
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Solution
The fourth proportional to 6,991,307.76, 10,487,530.80 and 1,942,618.80 is: 2,914,086.35
Step by Step Solution
- Step 1: Write the proportion equation
6,991,307.76 : 10,487,530.80 = 1,942,618.80 : x - Step 2: Convert to fraction form
6,991,307.76/10,487,530.80 = 1,942,618.80/x - Step 3: Cross multiply
6,991,307.76x = 10,487,530.80 × 1,942,618.80 - Step 4: Simplify right side
6,991,307.76x = 20,373,274,497,659.04 - Step 5: Solve for x
x = 20,373,274,497,659.04/6,991,307.76 - Step 6: Final answer
x = 2,914,086.35
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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.