Finding the Fourth Proportional to 1,686,343.68, 2,327,104.80 and 922,380.72
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Solution
The fourth proportional to 1,686,343.68, 2,327,104.80 and 922,380.72 is: 1,272,858.33
Step by Step Solution
- Step 1: Write the proportion equation
1,686,343.68 : 2,327,104.80 = 922,380.72 : x - Step 2: Convert to fraction form
1,686,343.68/2,327,104.80 = 922,380.72/x - Step 3: Cross multiply
1,686,343.68x = 2,327,104.80 × 922,380.72 - Step 4: Simplify right side
1,686,343.68x = 2,146,476,600,939.46 - Step 5: Solve for x
x = 2,146,476,600,939.46/1,686,343.68 - Step 6: Final answer
x = 1,272,858.33
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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.