Finding the Fourth Proportional to 3,901,043.11, 5,384,521.47 and 2,269,765.62
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Solution
The fourth proportional to 3,901,043.11, 5,384,521.47 and 2,269,765.62 is: 3,132,906.09
Step by Step Solution
- Step 1: Write the proportion equation
3,901,043.11 : 5,384,521.47 = 2,269,765.62 : x - Step 2: Convert to fraction form
3,901,043.11/5,384,521.47 = 2,269,765.62/x - Step 3: Cross multiply
3,901,043.11x = 5,384,521.47 × 2,269,765.62 - Step 4: Simplify right side
3,901,043.11x = 12,221,601,712,757.86 - Step 5: Solve for x
x = 12,221,601,712,757.86/3,901,043.11 - Step 6: Final answer
x = 3,132,906.09
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1.5x scale
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.