Finding the Fourth Proportional to 7,190,865.57, 10,786,338.68 and 2,398,541.68
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Solution
The fourth proportional to 7,190,865.57, 10,786,338.68 and 2,398,541.68 is: 3,597,825.96
Step by Step Solution
- Step 1: Write the proportion equation
7,190,865.57 : 10,786,338.68 = 2,398,541.68 : x - Step 2: Convert to fraction form
7,190,865.57/10,786,338.68 = 2,398,541.68/x - Step 3: Cross multiply
7,190,865.57x = 10,786,338.68 × 2,398,541.68 - Step 4: Simplify right side
7,190,865.57x = 25,871,482,839,393.25 - Step 5: Solve for x
x = 25,871,482,839,393.25/7,190,865.57 - Step 6: Final answer
x = 3,597,825.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.