Finding the Fourth Proportional to 5,915,610.50, 8,163,542.49 and 3,199,356.50
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Solution
The fourth proportional to 5,915,610.50, 8,163,542.49 and 3,199,356.50 is: 4,415,111.97
Step by Step Solution
- Step 1: Write the proportion equation
5,915,610.50 : 8,163,542.49 = 3,199,356.50 : x - Step 2: Convert to fraction form
5,915,610.50/8,163,542.49 = 3,199,356.50/x - Step 3: Cross multiply
5,915,610.50x = 8,163,542.49 × 3,199,356.50 - Step 4: Simplify right side
5,915,610.50x = 26,118,082,728,407.69 - Step 5: Solve for x
x = 26,118,082,728,407.69/5,915,610.50 - Step 6: Final answer
x = 4,415,111.97
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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.