Finding the Fourth Proportional to 1,631,914.24, 2,251,993.44 and 906,743.92
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Solution
The fourth proportional to 1,631,914.24, 2,251,993.44 and 906,743.92 is: 1,251,279.82
Step by Step Solution
- Step 1: Write the proportion equation
1,631,914.24 : 2,251,993.44 = 906,743.92 : x - Step 2: Convert to fraction form
1,631,914.24/2,251,993.44 = 906,743.92/x - Step 3: Cross multiply
1,631,914.24x = 2,251,993.44 × 906,743.92 - Step 4: Simplify right side
1,631,914.24x = 2,041,981,359,599.88 - Step 5: Solve for x
x = 2,041,981,359,599.88/1,631,914.24 - Step 6: Final answer
x = 1,251,279.82
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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.