Finding the Fourth Proportional to 2,288,324.25, 3,431,157.30 and 867,605.31
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Solution
The fourth proportional to 2,288,324.25, 3,431,157.30 and 867,605.31 is: 1,300,904.05
Step by Step Solution
- Step 1: Write the proportion equation
2,288,324.25 : 3,431,157.30 = 867,605.31 : x - Step 2: Convert to fraction form
2,288,324.25/3,431,157.30 = 867,605.31/x - Step 3: Cross multiply
2,288,324.25x = 3,431,157.30 × 867,605.31 - Step 4: Simplify right side
2,288,324.25x = 2,976,890,292,925.26 - Step 5: Solve for x
x = 2,976,890,292,925.26/2,288,324.25 - Step 6: Final answer
x = 1,300,904.05
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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.