Finding the Fourth Proportional to 5,457,984.48, 7,534,093.68 and 4,103,791.20
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Solution
The fourth proportional to 5,457,984.48, 7,534,093.68 and 4,103,791.20 is: 5,664,792.10
Step by Step Solution
- Step 1: Write the proportion equation
5,457,984.48 : 7,534,093.68 = 4,103,791.20 : x - Step 2: Convert to fraction form
5,457,984.48/7,534,093.68 = 4,103,791.20/x - Step 3: Cross multiply
5,457,984.48x = 7,534,093.68 × 4,103,791.20 - Step 4: Simplify right side
5,457,984.48x = 30,918,347,343,959.62 - Step 5: Solve for x
x = 30,918,347,343,959.62/5,457,984.48 - Step 6: Final answer
x = 5,664,792.10
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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.