Finding the Fourth Proportional to 1,743,082.08, 2,405,715.12 and 1,064,410.08
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Solution
The fourth proportional to 1,743,082.08, 2,405,715.12 and 1,064,410.08 is: 1,469,045.81
Step by Step Solution
- Step 1: Write the proportion equation
1,743,082.08 : 2,405,715.12 = 1,064,410.08 : x - Step 2: Convert to fraction form
1,743,082.08/2,405,715.12 = 1,064,410.08/x - Step 3: Cross multiply
1,743,082.08x = 2,405,715.12 × 1,064,410.08 - Step 4: Simplify right side
1,743,082.08x = 2,560,667,423,336.41 - Step 5: Solve for x
x = 2,560,667,423,336.41/1,743,082.08 - Step 6: Final answer
x = 1,469,045.81
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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.