Finding the Fourth Proportional to 2,797,808.68, 3,861,230.34 and 1,590,581.80
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Solution
The fourth proportional to 2,797,808.68, 3,861,230.34 and 1,590,581.80 is: 2,195,147.49
Step by Step Solution
- Step 1: Write the proportion equation
2,797,808.68 : 3,861,230.34 = 1,590,581.80 : x - Step 2: Convert to fraction form
2,797,808.68/3,861,230.34 = 1,590,581.80/x - Step 3: Cross multiply
2,797,808.68x = 3,861,230.34 × 1,590,581.80 - Step 4: Simplify right side
2,797,808.68x = 6,141,602,704,411.81 - Step 5: Solve for x
x = 6,141,602,704,411.81/2,797,808.68 - Step 6: Final answer
x = 2,195,147.49
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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.