Finding the Fourth Proportional to 3,196,478.09, 4,412,190.99 and 2,544,300.42
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Solution
The fourth proportional to 3,196,478.09, 4,412,190.99 and 2,544,300.42 is: 3,511,971.32
Step by Step Solution
- Step 1: Write the proportion equation
3,196,478.09 : 4,412,190.99 = 2,544,300.42 : x - Step 2: Convert to fraction form
3,196,478.09/4,412,190.99 = 2,544,300.42/x - Step 3: Cross multiply
3,196,478.09x = 4,412,190.99 × 2,544,300.42 - Step 4: Simplify right side
3,196,478.09x = 11,225,939,381,972.63 - Step 5: Solve for x
x = 11,225,939,381,972.63/3,196,478.09 - Step 6: Final answer
x = 3,511,971.32
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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.