Finding the Fourth Proportional to 1,650,987.36, 2,278,387.44 and 962,640.45
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Solution
The fourth proportional to 1,650,987.36, 2,278,387.44 and 962,640.45 is: 1,328,458.33
Step by Step Solution
- Step 1: Write the proportion equation
1,650,987.36 : 2,278,387.44 = 962,640.45 : x - Step 2: Convert to fraction form
1,650,987.36/2,278,387.44 = 962,640.45/x - Step 3: Cross multiply
1,650,987.36x = 2,278,387.44 × 962,640.45 - Step 4: Simplify right side
1,650,987.36x = 2,193,267,910,515.95 - Step 5: Solve for x
x = 2,193,267,910,515.95/1,650,987.36 - Step 6: Final answer
x = 1,328,458.33
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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.