Finding the Fourth Proportional to 2,731,316.98, 3,769,217.63 and 1,507,622.81
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Solution
The fourth proportional to 2,731,316.98, 3,769,217.63 and 1,507,622.81 is: 2,080,519.60
Step by Step Solution
- Step 1: Write the proportion equation
2,731,316.98 : 3,769,217.63 = 1,507,622.81 : x - Step 2: Convert to fraction form
2,731,316.98/3,769,217.63 = 1,507,622.81/x - Step 3: Cross multiply
2,731,316.98x = 3,769,217.63 × 1,507,622.81 - Step 4: Simplify right side
2,731,316.98x = 5,682,558,486,974.76 - Step 5: Solve for x
x = 5,682,558,486,974.76/2,731,316.98 - Step 6: Final answer
x = 2,080,519.60
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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.