Finding the Fourth Proportional to 1,090,228.09, 1,635,213.34 and 291,571.53
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Solution
The fourth proportional to 1,090,228.09, 1,635,213.34 and 291,571.53 is: 437,322.84
Step by Step Solution
- Step 1: Write the proportion equation
1,090,228.09 : 1,635,213.34 = 291,571.53 : x - Step 2: Convert to fraction form
1,090,228.09/1,635,213.34 = 291,571.53/x - Step 3: Cross multiply
1,090,228.09x = 1,635,213.34 × 291,571.53 - Step 4: Simplify right side
1,090,228.09x = 476,781,645,786.29 - Step 5: Solve for x
x = 476,781,645,786.29/1,090,228.09 - Step 6: Final answer
x = 437,322.84
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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.