Finding the Fourth Proportional to 6,238,975.88, 8,608,311.14 and 3,623,926.12
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Solution
The fourth proportional to 6,238,975.88, 8,608,311.14 and 3,623,926.12 is: 5,000,160.95
Step by Step Solution
- Step 1: Write the proportion equation
6,238,975.88 : 8,608,311.14 = 3,623,926.12 : x - Step 2: Convert to fraction form
6,238,975.88/8,608,311.14 = 3,623,926.12/x - Step 3: Cross multiply
6,238,975.88x = 8,608,311.14 × 3,623,926.12 - Step 4: Simplify right side
6,238,975.88x = 31,195,883,576,872.02 - Step 5: Solve for x
x = 31,195,883,576,872.02/6,238,975.88 - Step 6: Final answer
x = 5,000,160.95
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1.5x scale
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.