Finding the Fourth Proportional to 2,731,318.06, 3,769,198.14 and 1,507,623.43
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Solution
The fourth proportional to 2,731,318.06, 3,769,198.14 and 1,507,623.43 is: 2,080,508.86
Step by Step Solution
- Step 1: Write the proportion equation
2,731,318.06 : 3,769,198.14 = 1,507,623.43 : x - Step 2: Convert to fraction form
2,731,318.06/3,769,198.14 = 1,507,623.43/x - Step 3: Cross multiply
2,731,318.06x = 3,769,198.14 × 1,507,623.43 - Step 4: Simplify right side
2,731,318.06x = 5,682,531,428,176.42 - Step 5: Solve for x
x = 5,682,531,428,176.42/2,731,318.06 - Step 6: Final answer
x = 2,080,508.86
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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.