Finding the Fourth Proportional to 2,222,923.40, 3,067,637.30 and 1,204,328.12
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Solution
The fourth proportional to 2,222,923.40, 3,067,637.30 and 1,204,328.12 is: 1,661,974.44
Step by Step Solution
- Step 1: Write the proportion equation
2,222,923.40 : 3,067,637.30 = 1,204,328.12 : x - Step 2: Convert to fraction form
2,222,923.40/3,067,637.30 = 1,204,328.12/x - Step 3: Cross multiply
2,222,923.40x = 3,067,637.30 × 1,204,328.12 - Step 4: Simplify right side
2,222,923.40x = 3,694,441,862,350.88 - Step 5: Solve for x
x = 3,694,441,862,350.88/2,222,923.40 - Step 6: Final answer
x = 1,661,974.44
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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.