Finding the Fourth Proportional to 2,132,201.48, 2,942,394.26 and 1,165,338.63
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Solution
The fourth proportional to 2,132,201.48, 2,942,394.26 and 1,165,338.63 is: 1,608,143.38
Step by Step Solution
- Step 1: Write the proportion equation
2,132,201.48 : 2,942,394.26 = 1,165,338.63 : x - Step 2: Convert to fraction form
2,132,201.48/2,942,394.26 = 1,165,338.63/x - Step 3: Cross multiply
2,132,201.48x = 2,942,394.26 × 1,165,338.63 - Step 4: Simplify right side
2,132,201.48x = 3,428,885,690,041.57 - Step 5: Solve for x
x = 3,428,885,690,041.57/2,132,201.48 - Step 6: Final answer
x = 1,608,143.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.