Finding the Fourth Proportional to 3,121,198.62, 4,681,798 and 877,336.62
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Solution
The fourth proportional to 3,121,198.62, 4,681,798 and 877,336.62 is: 1,316,004.95
Step by Step Solution
- Step 1: Write the proportion equation
3,121,198.62 : 4,681,798 = 877,336.62 : x - Step 2: Convert to fraction form
3,121,198.62/4,681,798 = 877,336.62/x - Step 3: Cross multiply
3,121,198.62x = 4,681,798 × 877,336.62 - Step 4: Simplify right side
3,121,198.62x = 4,107,512,832,842.76 - Step 5: Solve for x
x = 4,107,512,832,842.76/3,121,198.62 - Step 6: Final answer
x = 1,316,004.95
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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.