Finding the Fourth Proportional to 1,693,879.12, 2,550,959.66 and 1,542,713.68
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Solution
The fourth proportional to 1,693,879.12, 2,550,959.66 and 1,542,713.68 is: 2,323,306.50
Step by Step Solution
- Step 1: Write the proportion equation
1,693,879.12 : 2,550,959.66 = 1,542,713.68 : x - Step 2: Convert to fraction form
1,693,879.12/2,550,959.66 = 1,542,713.68/x - Step 3: Cross multiply
1,693,879.12x = 2,550,959.66 × 1,542,713.68 - Step 4: Simplify right side
1,693,879.12x = 3,935,400,364,610.15 - Step 5: Solve for x
x = 3,935,400,364,610.15/1,693,879.12 - Step 6: Final answer
x = 2,323,306.50
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.