Finding the Fourth Proportional to 2,255,296.05, 3,112,450.26 and 1,236,700.80
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Solution
The fourth proportional to 2,255,296.05, 3,112,450.26 and 1,236,700.80 is: 1,706,724.81
Step by Step Solution
- Step 1: Write the proportion equation
2,255,296.05 : 3,112,450.26 = 1,236,700.80 : x - Step 2: Convert to fraction form
2,255,296.05/3,112,450.26 = 1,236,700.80/x - Step 3: Cross multiply
2,255,296.05x = 3,112,450.26 × 1,236,700.80 - Step 4: Simplify right side
2,255,296.05x = 3,849,169,726,502.21 - Step 5: Solve for x
x = 3,849,169,726,502.21/2,255,296.05 - Step 6: Final answer
x = 1,706,724.81
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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.