Finding the Fourth Proportional to 2,222,920.96, 3,067,634.20 and 1,204,325.76
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Solution
The fourth proportional to 2,222,920.96, 3,067,634.20 and 1,204,325.76 is: 1,661,971.32
Step by Step Solution
- Step 1: Write the proportion equation
2,222,920.96 : 3,067,634.20 = 1,204,325.76 : x - Step 2: Convert to fraction form
2,222,920.96/3,067,634.20 = 1,204,325.76/x - Step 3: Cross multiply
2,222,920.96x = 3,067,634.20 × 1,204,325.76 - Step 4: Simplify right side
2,222,920.96x = 3,694,430,889,316.99 - Step 5: Solve for x
x = 3,694,430,889,316.99/2,222,920.96 - Step 6: Final answer
x = 1,661,971.32
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1.5x scale
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.