Finding the Fourth Proportional to 5,230,531.96, 7,845,786.42 and 1,392,355.24
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Solution
The fourth proportional to 5,230,531.96, 7,845,786.42 and 1,392,355.24 is: 2,088,529.79
Step by Step Solution
- Step 1: Write the proportion equation
5,230,531.96 : 7,845,786.42 = 1,392,355.24 : x - Step 2: Convert to fraction form
5,230,531.96/7,845,786.42 = 1,392,355.24/x - Step 3: Cross multiply
5,230,531.96x = 7,845,786.42 × 1,392,355.24 - Step 4: Simplify right side
5,230,531.96x = 10,924,121,833,807.84 - Step 5: Solve for x
x = 10,924,121,833,807.84/5,230,531.96 - Step 6: Final answer
x = 2,088,529.79
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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.