Finding the Fourth Proportional to 3,505,583.68, 4,837,926.72 and 1,977,133.12
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Solution
The fourth proportional to 3,505,583.68, 4,837,926.72 and 1,977,133.12 is: 2,728,568.48
Step by Step Solution
- Step 1: Write the proportion equation
3,505,583.68 : 4,837,926.72 = 1,977,133.12 : x - Step 2: Convert to fraction form
3,505,583.68/4,837,926.72 = 1,977,133.12/x - Step 3: Cross multiply
3,505,583.68x = 4,837,926.72 × 1,977,133.12 - Step 4: Simplify right side
3,505,583.68x = 9,565,225,150,244.97 - Step 5: Solve for x
x = 9,565,225,150,244.97/3,505,583.68 - Step 6: Final answer
x = 2,728,568.48
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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.