Finding the Fourth Proportional to 2,205,452.68, 3,043,686.18 and 1,238,639.92
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Solution
The fourth proportional to 2,205,452.68, 3,043,686.18 and 1,238,639.92 is: 1,709,413.78
Step by Step Solution
- Step 1: Write the proportion equation
2,205,452.68 : 3,043,686.18 = 1,238,639.92 : x - Step 2: Convert to fraction form
2,205,452.68/3,043,686.18 = 1,238,639.92/x - Step 3: Cross multiply
2,205,452.68x = 3,043,686.18 × 1,238,639.92 - Step 4: Simplify right side
2,205,452.68x = 3,770,031,206,500.31 - Step 5: Solve for x
x = 3,770,031,206,500.31/2,205,452.68 - Step 6: Final answer
x = 1,709,413.78
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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.