Finding the Fourth Proportional to 7,270,153.20, 10,905,229.92 and 2,221,419.96
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Solution
The fourth proportional to 7,270,153.20, 10,905,229.92 and 2,221,419.96 is: 3,332,129.98
Step by Step Solution
- Step 1: Write the proportion equation
7,270,153.20 : 10,905,229.92 = 2,221,419.96 : x - Step 2: Convert to fraction form
7,270,153.20/10,905,229.92 = 2,221,419.96/x - Step 3: Cross multiply
7,270,153.20x = 10,905,229.92 × 2,221,419.96 - Step 4: Simplify right side
7,270,153.20x = 24,225,095,412,677.20 - Step 5: Solve for x
x = 24,225,095,412,677.20/7,270,153.20 - Step 6: Final answer
x = 3,332,129.98
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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.