Finding the Fourth Proportional to 2,287,776.08, 3,431,577.84 and 690,296.56
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Solution
The fourth proportional to 2,287,776.08, 3,431,577.84 and 690,296.56 is: 1,035,418.81
Step by Step Solution
- Step 1: Write the proportion equation
2,287,776.08 : 3,431,577.84 = 690,296.56 : x - Step 2: Convert to fraction form
2,287,776.08/3,431,577.84 = 690,296.56/x - Step 3: Cross multiply
2,287,776.08x = 3,431,577.84 × 690,296.56 - Step 4: Simplify right side
2,287,776.08x = 2,368,806,378,324.23 - Step 5: Solve for x
x = 2,368,806,378,324.23/2,287,776.08 - Step 6: Final answer
x = 1,035,418.81
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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.