Finding the Fourth Proportional to 1,790,740.92, 2,471,147.82 and 985,873.08
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Solution
The fourth proportional to 1,790,740.92, 2,471,147.82 and 985,873.08 is: 1,360,463.75
Step by Step Solution
- Step 1: Write the proportion equation
1,790,740.92 : 2,471,147.82 = 985,873.08 : x - Step 2: Convert to fraction form
1,790,740.92/2,471,147.82 = 985,873.08/x - Step 3: Cross multiply
1,790,740.92x = 2,471,147.82 × 985,873.08 - Step 4: Simplify right side
1,790,740.92x = 2,436,238,112,438.69 - Step 5: Solve for x
x = 2,436,238,112,438.69/1,790,740.92 - Step 6: Final answer
x = 1,360,463.75
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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.