Finding the Fourth Proportional to 3,121,571.63, 4,682,359.26 and 877,709.63
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Solution
The fourth proportional to 3,121,571.63, 4,682,359.26 and 877,709.63 is: 1,316,564.95
Step by Step Solution
- Step 1: Write the proportion equation
3,121,571.63 : 4,682,359.26 = 877,709.63 : x - Step 2: Convert to fraction form
3,121,571.63/4,682,359.26 = 877,709.63/x - Step 3: Cross multiply
3,121,571.63x = 4,682,359.26 × 877,709.63 - Step 4: Simplify right side
3,121,571.63x = 4,109,751,790,209.88 - Step 5: Solve for x
x = 4,109,751,790,209.88/3,121,571.63 - Step 6: Final answer
x = 1,316,564.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.