Finding the Fourth Proportional to 3,194,471.85, 4,407,851.21 and 1,887,542.18
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Solution
The fourth proportional to 3,194,471.85, 4,407,851.21 and 1,887,542.18 is: 2,604,500.98
Step by Step Solution
- Step 1: Write the proportion equation
3,194,471.85 : 4,407,851.21 = 1,887,542.18 : x - Step 2: Convert to fraction form
3,194,471.85/4,407,851.21 = 1,887,542.18/x - Step 3: Cross multiply
3,194,471.85x = 4,407,851.21 × 1,887,542.18 - Step 4: Simplify right side
3,194,471.85x = 8,320,005,050,562.07 - Step 5: Solve for x
x = 8,320,005,050,562.07/3,194,471.85 - Step 6: Final answer
x = 2,604,500.98
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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.