Finding the Fourth Proportional to 4,188,608.80, 6,282,913.20 and 2,594,285.80
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Solution
The fourth proportional to 4,188,608.80, 6,282,913.20 and 2,594,285.80 is: 3,891,428.70
Step by Step Solution
- Step 1: Write the proportion equation
4,188,608.80 : 6,282,913.20 = 2,594,285.80 : x - Step 2: Convert to fraction form
4,188,608.80/6,282,913.20 = 2,594,285.80/x - Step 3: Cross multiply
4,188,608.80x = 6,282,913.20 × 2,594,285.80 - Step 4: Simplify right side
4,188,608.80x = 16,299,672,497,392.56 - Step 5: Solve for x
x = 16,299,672,497,392.56/4,188,608.80 - Step 6: Final answer
x = 3,891,428.70
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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.