Finding the Fourth Proportional to 5,741,998.79, 8,612,998.19 and 1,698,171.94
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Solution
The fourth proportional to 5,741,998.79, 8,612,998.19 and 1,698,171.94 is: 2,547,257.91
Step by Step Solution
- Step 1: Write the proportion equation
5,741,998.79 : 8,612,998.19 = 1,698,171.94 : x - Step 2: Convert to fraction form
5,741,998.79/8,612,998.19 = 1,698,171.94/x - Step 3: Cross multiply
5,741,998.79x = 8,612,998.19 × 1,698,171.94 - Step 4: Simplify right side
5,741,998.79x = 14,626,351,815,276.42 - Step 5: Solve for x
x = 14,626,351,815,276.42/5,741,998.79 - Step 6: Final answer
x = 2,547,257.91
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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.