Finding the Fourth Proportional to 2,651,268.20, 3,658,906.83 and 1,996,739.79
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Solution
The fourth proportional to 2,651,268.20, 3,658,906.83 and 1,996,739.79 is: 2,755,618.94
Step by Step Solution
- Step 1: Write the proportion equation
2,651,268.20 : 3,658,906.83 = 1,996,739.79 : x - Step 2: Convert to fraction form
2,651,268.20/3,658,906.83 = 1,996,739.79/x - Step 3: Cross multiply
2,651,268.20x = 3,658,906.83 × 1,996,739.79 - Step 4: Simplify right side
2,651,268.20x = 7,305,884,855,363.77 - Step 5: Solve for x
x = 7,305,884,855,363.77/2,651,268.20 - Step 6: Final answer
x = 2,755,618.94
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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.