Finding the Fourth Proportional to 2,162,248.68, 2,983,190 and 1,388,313.12
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Solution
The fourth proportional to 2,162,248.68, 2,983,190 and 1,388,313.12 is: 1,915,414.20
Step by Step Solution
- Step 1: Write the proportion equation
2,162,248.68 : 2,983,190 = 1,388,313.12 : x - Step 2: Convert to fraction form
2,162,248.68/2,983,190 = 1,388,313.12/x - Step 3: Cross multiply
2,162,248.68x = 2,983,190 × 1,388,313.12 - Step 4: Simplify right side
2,162,248.68x = 4,141,601,816,452.80 - Step 5: Solve for x
x = 4,141,601,816,452.80/2,162,248.68 - Step 6: Final answer
x = 1,915,414.20
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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.