Finding the Fourth Proportional to 4,342,591.19, 6,513,942.23 and 1,147,689.75
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Solution
The fourth proportional to 4,342,591.19, 6,513,942.23 and 1,147,689.75 is: 1,721,549.28
Step by Step Solution
- Step 1: Write the proportion equation
4,342,591.19 : 6,513,942.23 = 1,147,689.75 : x - Step 2: Convert to fraction form
4,342,591.19/6,513,942.23 = 1,147,689.75/x - Step 3: Cross multiply
4,342,591.19x = 6,513,942.23 × 1,147,689.75 - Step 4: Simplify right side
4,342,591.19x = 7,475,984,723,724.69 - Step 5: Solve for x
x = 7,475,984,723,724.69/4,342,591.19 - Step 6: Final answer
x = 1,721,549.28
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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.