Finding the Fourth Proportional to 4,129,721.66, 5,703,784.62 and 2,750,793.86
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Solution
The fourth proportional to 4,129,721.66, 5,703,784.62 and 2,750,793.86 is: 3,799,271.96
Step by Step Solution
- Step 1: Write the proportion equation
4,129,721.66 : 5,703,784.62 = 2,750,793.86 : x - Step 2: Convert to fraction form
4,129,721.66/5,703,784.62 = 2,750,793.86/x - Step 3: Cross multiply
4,129,721.66x = 5,703,784.62 × 2,750,793.86 - Step 4: Simplify right side
4,129,721.66x = 15,689,935,711,458.43 - Step 5: Solve for x
x = 15,689,935,711,458.43/4,129,721.66 - Step 6: Final answer
x = 3,799,271.96
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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.