Finding the Fourth Proportional to 3,887,609.09, 5,365,967.63 and 2,256,541.95
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Solution
The fourth proportional to 3,887,609.09, 5,365,967.63 and 2,256,541.95 is: 3,114,647.27
Step by Step Solution
- Step 1: Write the proportion equation
3,887,609.09 : 5,365,967.63 = 2,256,541.95 : x - Step 2: Convert to fraction form
3,887,609.09/5,365,967.63 = 2,256,541.95/x - Step 3: Cross multiply
3,887,609.09x = 5,365,967.63 × 2,256,541.95 - Step 4: Simplify right side
3,887,609.09x = 12,108,531,048,154.37 - Step 5: Solve for x
x = 12,108,531,048,154.37/3,887,609.09 - Step 6: Final answer
x = 3,114,647.27
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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.