Finding the Fourth Proportional to 2,831,853.12, 4,247,701.92 and 701,890.08
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Solution
The fourth proportional to 2,831,853.12, 4,247,701.92 and 701,890.08 is: 1,052,815.85
Step by Step Solution
- Step 1: Write the proportion equation
2,831,853.12 : 4,247,701.92 = 701,890.08 : x - Step 2: Convert to fraction form
2,831,853.12/4,247,701.92 = 701,890.08/x - Step 3: Cross multiply
2,831,853.12x = 4,247,701.92 × 701,890.08 - Step 4: Simplify right side
2,831,853.12x = 2,981,419,840,444.95 - Step 5: Solve for x
x = 2,981,419,840,444.95/2,831,853.12 - Step 6: Final answer
x = 1,052,815.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.