Finding the Fourth Proportional to 3,617,732.16, 4,992,943.68 and 2,089,851.84
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Solution
The fourth proportional to 3,617,732.16, 4,992,943.68 and 2,089,851.84 is: 2,884,268.95
Step by Step Solution
- Step 1: Write the proportion equation
3,617,732.16 : 4,992,943.68 = 2,089,851.84 : x - Step 2: Convert to fraction form
3,617,732.16/4,992,943.68 = 2,089,851.84/x - Step 3: Cross multiply
3,617,732.16x = 4,992,943.68 × 2,089,851.84 - Step 4: Simplify right side
3,617,732.16x = 10,434,512,536,664.37 - Step 5: Solve for x
x = 10,434,512,536,664.37/3,617,732.16 - Step 6: Final answer
x = 2,884,268.95
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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.