Finding the Fourth Proportional to 6,958,221.91, 9,602,872.18 and 3,861,331.49
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Solution
The fourth proportional to 6,958,221.91, 9,602,872.18 and 3,861,331.49 is: 5,328,929.32
Step by Step Solution
- Step 1: Write the proportion equation
6,958,221.91 : 9,602,872.18 = 3,861,331.49 : x - Step 2: Convert to fraction form
6,958,221.91/9,602,872.18 = 3,861,331.49/x - Step 3: Cross multiply
6,958,221.91x = 9,602,872.18 × 3,861,331.49 - Step 4: Simplify right side
6,958,221.91x = 37,079,872,757,432.80 - Step 5: Solve for x
x = 37,079,872,757,432.80/6,958,221.91 - Step 6: Final answer
x = 5,328,929.32
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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.