Finding the Fourth Proportional to 3,888,082.90, 5,825,125.95 and 3,174,246.10
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Solution
The fourth proportional to 3,888,082.90, 5,825,125.95 and 3,174,246.10 is: 4,755,655.63
Step by Step Solution
- Step 1: Write the proportion equation
3,888,082.90 : 5,825,125.95 = 3,174,246.10 : x - Step 2: Convert to fraction form
3,888,082.90/5,825,125.95 = 3,174,246.10/x - Step 3: Cross multiply
3,888,082.90x = 5,825,125.95 × 3,174,246.10 - Step 4: Simplify right side
3,888,082.90x = 18,490,383,328,796.30 - Step 5: Solve for x
x = 18,490,383,328,796.30/3,888,082.90 - Step 6: Final answer
x = 4,755,655.63
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1.5x scale
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.