Finding the Fourth Proportional to 2,090,462.79, 3,135,687.83 and 574,147.07
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Solution
The fourth proportional to 2,090,462.79, 3,135,687.83 and 574,147.07 is: 861,218.87
Step by Step Solution
- Step 1: Write the proportion equation
2,090,462.79 : 3,135,687.83 = 574,147.07 : x - Step 2: Convert to fraction form
2,090,462.79/3,135,687.83 = 574,147.07/x - Step 3: Cross multiply
2,090,462.79x = 3,135,687.83 × 574,147.07 - Step 4: Simplify right side
2,090,462.79x = 1,800,345,989,303.75 - Step 5: Solve for x
x = 1,800,345,989,303.75/2,090,462.79 - Step 6: Final answer
x = 861,218.87
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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.