Finding the Fourth Proportional to 4,820,147.68, 7,223,425.08 and 2,662,145.68
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Solution
The fourth proportional to 4,820,147.68, 7,223,425.08 and 2,662,145.68 is: 3,989,464.88
Step by Step Solution
- Step 1: Write the proportion equation
4,820,147.68 : 7,223,425.08 = 2,662,145.68 : x - Step 2: Convert to fraction form
4,820,147.68/7,223,425.08 = 2,662,145.68/x - Step 3: Cross multiply
4,820,147.68x = 7,223,425.08 × 2,662,145.68 - Step 4: Simplify right side
4,820,147.68x = 19,229,809,871,525.66 - Step 5: Solve for x
x = 19,229,809,871,525.66/4,820,147.68 - Step 6: Final answer
x = 3,989,464.88
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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.