Finding the Fourth Proportional to 2,171,167.22, 2,996,221.65 and 1,204,230.26
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Solution
The fourth proportional to 2,171,167.22, 2,996,221.65 and 1,204,230.26 is: 1,661,843.80
Step by Step Solution
- Step 1: Write the proportion equation
2,171,167.22 : 2,996,221.65 = 1,204,230.26 : x - Step 2: Convert to fraction form
2,171,167.22/2,996,221.65 = 1,204,230.26/x - Step 3: Cross multiply
2,171,167.22x = 2,996,221.65 × 1,204,230.26 - Step 4: Simplify right side
2,171,167.22x = 3,608,140,776,597.13 - Step 5: Solve for x
x = 3,608,140,776,597.13/2,171,167.22 - Step 6: Final answer
x = 1,661,843.80
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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.