Finding the Fourth Proportional to 3,561,162.92, 5,341,990.62 and 1,431,248.84
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Solution
The fourth proportional to 3,561,162.92, 5,341,990.62 and 1,431,248.84 is: 2,146,972.23
Step by Step Solution
- Step 1: Write the proportion equation
3,561,162.92 : 5,341,990.62 = 1,431,248.84 : x - Step 2: Convert to fraction form
3,561,162.92/5,341,990.62 = 1,431,248.84/x - Step 3: Cross multiply
3,561,162.92x = 5,341,990.62 × 1,431,248.84 - Step 4: Simplify right side
3,561,162.92x = 7,645,717,878,165.88 - Step 5: Solve for x
x = 7,645,717,878,165.88/3,561,162.92 - Step 6: Final answer
x = 2,146,972.23
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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.