Finding the Fourth Proportional to 4,118,286.89, 5,681,313.63 and 2,591,236.01
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Solution
The fourth proportional to 4,118,286.89, 5,681,313.63 and 2,591,236.01 is: 3,574,696.19
Step by Step Solution
- Step 1: Write the proportion equation
4,118,286.89 : 5,681,313.63 = 2,591,236.01 : x - Step 2: Convert to fraction form
4,118,286.89/5,681,313.63 = 2,591,236.01/x - Step 3: Cross multiply
4,118,286.89x = 5,681,313.63 × 2,591,236.01 - Step 4: Simplify right side
4,118,286.89x = 14,721,624,433,753.25 - Step 5: Solve for x
x = 14,721,624,433,753.25/4,118,286.89 - Step 6: Final answer
x = 3,574,696.19
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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.