Finding the Fourth Proportional to 1,687,262.68, 2,328,422.62 and 923,316.28
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Solution
The fourth proportional to 1,687,262.68, 2,328,422.62 and 923,316.28 is: 1,274,176.53
Step by Step Solution
- Step 1: Write the proportion equation
1,687,262.68 : 2,328,422.62 = 923,316.28 : x - Step 2: Convert to fraction form
1,687,262.68/2,328,422.62 = 923,316.28/x - Step 3: Cross multiply
1,687,262.68x = 2,328,422.62 × 923,316.28 - Step 4: Simplify right side
1,687,262.68x = 2,149,870,511,766.25 - Step 5: Solve for x
x = 2,149,870,511,766.25/1,687,262.68 - Step 6: Final answer
x = 1,274,176.53
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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.