Finding the Fourth Proportional to 1,502,082.74, 2,072,957.19 and 857,709.92
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Solution
The fourth proportional to 1,502,082.74, 2,072,957.19 and 857,709.92 is: 1,183,687.09
Step by Step Solution
- Step 1: Write the proportion equation
1,502,082.74 : 2,072,957.19 = 857,709.92 : x - Step 2: Convert to fraction form
1,502,082.74/2,072,957.19 = 857,709.92/x - Step 3: Cross multiply
1,502,082.74x = 2,072,957.19 × 857,709.92 - Step 4: Simplify right side
1,502,082.74x = 1,777,995,945,598.33 - Step 5: Solve for x
x = 1,777,995,945,598.33/1,502,082.74 - Step 6: Final answer
x = 1,183,687.09
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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.