Finding the Fourth Proportional to 4,337,759.02, 6,467,857.81 and 4,218,581.82
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Solution
The fourth proportional to 4,337,759.02, 6,467,857.81 and 4,218,581.82 is: 6,290,157.49
Step by Step Solution
- Step 1: Write the proportion equation
4,337,759.02 : 6,467,857.81 = 4,218,581.82 : x - Step 2: Convert to fraction form
4,337,759.02/6,467,857.81 = 4,218,581.82/x - Step 3: Cross multiply
4,337,759.02x = 6,467,857.81 × 4,218,581.82 - Step 4: Simplify right side
4,337,759.02x = 27,285,187,371,611.02 - Step 5: Solve for x
x = 27,285,187,371,611.02/4,337,759.02 - Step 6: Final answer
x = 6,290,157.49
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.