Finding the Fourth Proportional to 1,405,082.97, 2,107,629.99 and 340,123.32
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Solution
The fourth proportional to 1,405,082.97, 2,107,629.99 and 340,123.32 is: 510,186.32
Step by Step Solution
- Step 1: Write the proportion equation
1,405,082.97 : 2,107,629.99 = 340,123.32 : x - Step 2: Convert to fraction form
1,405,082.97/2,107,629.99 = 340,123.32/x - Step 3: Cross multiply
1,405,082.97x = 2,107,629.99 × 340,123.32 - Step 4: Simplify right side
1,405,082.97x = 716,854,109,530.37 - Step 5: Solve for x
x = 716,854,109,530.37/1,405,082.97 - Step 6: Final answer
x = 510,186.32
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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.