Finding the Fourth Proportional to 3,814,557.86, 5,720,949.84 and 1,419,530.42
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Solution
The fourth proportional to 3,814,557.86, 5,720,949.84 and 1,419,530.42 is: 2,128,965.56
Step by Step Solution
- Step 1: Write the proportion equation
3,814,557.86 : 5,720,949.84 = 1,419,530.42 : x - Step 2: Convert to fraction form
3,814,557.86/5,720,949.84 = 1,419,530.42/x - Step 3: Cross multiply
3,814,557.86x = 5,720,949.84 × 1,419,530.42 - Step 4: Simplify right side
3,814,557.86x = 8,121,062,329,174.13 - Step 5: Solve for x
x = 8,121,062,329,174.13/3,814,557.86 - Step 6: Final answer
x = 2,128,965.56
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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.