Finding the Fourth Proportional to 1,876,879.68, 2,815,713.24 and 812,073.12
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Solution
The fourth proportional to 1,876,879.68, 2,815,713.24 and 812,073.12 is: 1,218,280.03
Step by Step Solution
- Step 1: Write the proportion equation
1,876,879.68 : 2,815,713.24 = 812,073.12 : x - Step 2: Convert to fraction form
1,876,879.68/2,815,713.24 = 812,073.12/x - Step 3: Cross multiply
1,876,879.68x = 2,815,713.24 × 812,073.12 - Step 4: Simplify right side
1,876,879.68x = 2,286,565,035,832.11 - Step 5: Solve for x
x = 2,286,565,035,832.11/1,876,879.68 - Step 6: Final answer
x = 1,218,280.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.