Finding the Fourth Proportional to 3,100,593.09, 4,279,012.26 and 1,724,244.75
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Solution
The fourth proportional to 3,100,593.09, 4,279,012.26 and 1,724,244.75 is: 2,379,565.53
Step by Step Solution
- Step 1: Write the proportion equation
3,100,593.09 : 4,279,012.26 = 1,724,244.75 : x - Step 2: Convert to fraction form
3,100,593.09/4,279,012.26 = 1,724,244.75/x - Step 3: Cross multiply
3,100,593.09x = 4,279,012.26 × 1,724,244.75 - Step 4: Simplify right side
3,100,593.09x = 7,378,064,424,490.64 - Step 5: Solve for x
x = 7,378,064,424,490.64/3,100,593.09 - Step 6: Final answer
x = 2,379,565.53
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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.