Finding the Fourth Proportional to 3,199,854.51, 4,415,799.60 and 1,749,550.95
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Solution
The fourth proportional to 3,199,854.51, 4,415,799.60 and 1,749,550.95 is: 2,414,380.52
Step by Step Solution
- Step 1: Write the proportion equation
3,199,854.51 : 4,415,799.60 = 1,749,550.95 : x - Step 2: Convert to fraction form
3,199,854.51/4,415,799.60 = 1,749,550.95/x - Step 3: Cross multiply
3,199,854.51x = 4,415,799.60 × 1,749,550.95 - Step 4: Simplify right side
3,199,854.51x = 7,725,666,385,189.62 - Step 5: Solve for x
x = 7,725,666,385,189.62/3,199,854.51 - Step 6: Final answer
x = 2,414,380.52
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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.