Finding the Fourth Proportional to 2,329,882.92, 3,214,990.98 and 1,311,270.12
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Solution
The fourth proportional to 2,329,882.92, 3,214,990.98 and 1,311,270.12 is: 1,809,413.50
Step by Step Solution
- Step 1: Write the proportion equation
2,329,882.92 : 3,214,990.98 = 1,311,270.12 : x - Step 2: Convert to fraction form
2,329,882.92/3,214,990.98 = 1,311,270.12/x - Step 3: Cross multiply
2,329,882.92x = 3,214,990.98 × 1,311,270.12 - Step 4: Simplify right side
2,329,882.92x = 4,215,721,608,143.52 - Step 5: Solve for x
x = 4,215,721,608,143.52/2,329,882.92 - Step 6: Final answer
x = 1,809,413.50
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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.