Finding the Fourth Proportional to 3,593,487.70, 5,390,231.55 and 3,416,340.70
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Solution
The fourth proportional to 3,593,487.70, 5,390,231.55 and 3,416,340.70 is: 5,124,511.05
Step by Step Solution
- Step 1: Write the proportion equation
3,593,487.70 : 5,390,231.55 = 3,416,340.70 : x - Step 2: Convert to fraction form
3,593,487.70/5,390,231.55 = 3,416,340.70/x - Step 3: Cross multiply
3,593,487.70x = 5,390,231.55 × 3,416,340.70 - Step 4: Simplify right side
3,593,487.70x = 18,414,867,426,689.09 - Step 5: Solve for x
x = 18,414,867,426,689.09/3,593,487.70 - Step 6: Final answer
x = 5,124,511.05
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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.