Finding the Fourth Proportional to 3,623,879.13, 5,000,825.72 and 1,992,274.66
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Solution
The fourth proportional to 3,623,879.13, 5,000,825.72 and 1,992,274.66 is: 2,749,268.95
Step by Step Solution
- Step 1: Write the proportion equation
3,623,879.13 : 5,000,825.72 = 1,992,274.66 : x - Step 2: Convert to fraction form
3,623,879.13/5,000,825.72 = 1,992,274.66/x - Step 3: Cross multiply
3,623,879.13x = 5,000,825.72 × 1,992,274.66 - Step 4: Simplify right side
3,623,879.13x = 9,963,018,361,032.25 - Step 5: Solve for x
x = 9,963,018,361,032.25/3,623,879.13 - Step 6: Final answer
x = 2,749,268.95
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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.