Finding the Fourth Proportional to 1,511,990.26, 2,086,545.62 and 832,926.76
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Solution
The fourth proportional to 1,511,990.26, 2,086,545.62 and 832,926.76 is: 1,149,438.41
Step by Step Solution
- Step 1: Write the proportion equation
1,511,990.26 : 2,086,545.62 = 832,926.76 : x - Step 2: Convert to fraction form
1,511,990.26/2,086,545.62 = 832,926.76/x - Step 3: Cross multiply
1,511,990.26x = 2,086,545.62 × 832,926.76 - Step 4: Simplify right side
1,511,990.26x = 1,737,939,679,724.74 - Step 5: Solve for x
x = 1,737,939,679,724.74/1,511,990.26 - Step 6: Final answer
x = 1,149,438.41
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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.