Finding the Fourth Proportional to 2,826,990.47, 3,901,324.50 and 1,586,677.92
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Solution
The fourth proportional to 2,826,990.47, 3,901,324.50 and 1,586,677.92 is: 2,189,659.12
Step by Step Solution
- Step 1: Write the proportion equation
2,826,990.47 : 3,901,324.50 = 1,586,677.92 : x - Step 2: Convert to fraction form
2,826,990.47/3,901,324.50 = 1,586,677.92/x - Step 3: Cross multiply
2,826,990.47x = 3,901,324.50 × 1,586,677.92 - Step 4: Simplify right side
2,826,990.47x = 6,190,145,442,905.04 - Step 5: Solve for x
x = 6,190,145,442,905.04/2,826,990.47 - Step 6: Final answer
x = 2,189,659.12
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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.