Finding the Fourth Proportional to 3,835,278.28, 5,755,485.66 and 1,591,418.44
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Solution
The fourth proportional to 3,835,278.28, 5,755,485.66 and 1,591,418.44 is: 2,388,193.33
Step by Step Solution
- Step 1: Write the proportion equation
3,835,278.28 : 5,755,485.66 = 1,591,418.44 : x - Step 2: Convert to fraction form
3,835,278.28/5,755,485.66 = 1,591,418.44/x - Step 3: Cross multiply
3,835,278.28x = 5,755,485.66 × 1,591,418.44 - Step 4: Simplify right side
3,835,278.28x = 9,159,386,010,479.57 - Step 5: Solve for x
x = 9,159,386,010,479.57/3,835,278.28 - Step 6: Final answer
x = 2,388,193.33
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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.