Finding the Fourth Proportional to 5,136,832.64, 7,088,811.36 and 2,961,365.42
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Solution
The fourth proportional to 5,136,832.64, 7,088,811.36 and 2,961,365.42 is: 4,086,674.08
Step by Step Solution
- Step 1: Write the proportion equation
5,136,832.64 : 7,088,811.36 = 2,961,365.42 : x - Step 2: Convert to fraction form
5,136,832.64/7,088,811.36 = 2,961,365.42/x - Step 3: Cross multiply
5,136,832.64x = 7,088,811.36 × 2,961,365.42 - Step 4: Simplify right side
5,136,832.64x = 20,992,560,837,024.08 - Step 5: Solve for x
x = 20,992,560,837,024.08/5,136,832.64 - Step 6: Final answer
x = 4,086,674.08
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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.