Finding the Fourth Proportional to 6,212,478.20, 8,573,202.42 and 3,496,224.20
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Solution
The fourth proportional to 6,212,478.20, 8,573,202.42 and 3,496,224.20 is: 4,824,779.55
Step by Step Solution
- Step 1: Write the proportion equation
6,212,478.20 : 8,573,202.42 = 3,496,224.20 : x - Step 2: Convert to fraction form
6,212,478.20/8,573,202.42 = 3,496,224.20/x - Step 3: Cross multiply
6,212,478.20x = 8,573,202.42 × 3,496,224.20 - Step 4: Simplify right side
6,212,478.20x = 29,973,837,772,302.57 - Step 5: Solve for x
x = 29,973,837,772,302.57/6,212,478.20 - Step 6: Final answer
x = 4,824,779.55
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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.