Finding the Fourth Proportional to 4,394,232.80, 6,591,349.20 and 3,685,644.80
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Solution
The fourth proportional to 4,394,232.80, 6,591,349.20 and 3,685,644.80 is: 5,528,467.20
Step by Step Solution
- Step 1: Write the proportion equation
4,394,232.80 : 6,591,349.20 = 3,685,644.80 : x - Step 2: Convert to fraction form
4,394,232.80/6,591,349.20 = 3,685,644.80/x - Step 3: Cross multiply
4,394,232.80x = 6,591,349.20 × 3,685,644.80 - Step 4: Simplify right side
4,394,232.80x = 24,293,371,903,964.16 - Step 5: Solve for x
x = 24,293,371,903,964.16/4,394,232.80 - Step 6: Final answer
x = 5,528,467.20
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Double scale
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Similar ratio
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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.