Finding the Fourth Proportional to 2,287,865.68, 3,431,823 and 690,443.08
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Solution
The fourth proportional to 2,287,865.68, 3,431,823 and 690,443.08 is: 1,035,672.01
Step by Step Solution
- Step 1: Write the proportion equation
2,287,865.68 : 3,431,823 = 690,443.08 : x - Step 2: Convert to fraction form
2,287,865.68/3,431,823 = 690,443.08/x - Step 3: Cross multiply
2,287,865.68x = 3,431,823 × 690,443.08 - Step 4: Simplify right side
2,287,865.68x = 2,369,478,442,134.84 - Step 5: Solve for x
x = 2,369,478,442,134.84/2,287,865.68 - Step 6: Final answer
x = 1,035,672.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.