Finding the Fourth Proportional to 3,279,432.50, 4,525,594.98 and 1,809,416.76
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Solution
The fourth proportional to 3,279,432.50, 4,525,594.98 and 1,809,416.76 is: 2,496,983.07
Step by Step Solution
- Step 1: Write the proportion equation
3,279,432.50 : 4,525,594.98 = 1,809,416.76 : x - Step 2: Convert to fraction form
3,279,432.50/4,525,594.98 = 1,809,416.76/x - Step 3: Cross multiply
3,279,432.50x = 4,525,594.98 × 1,809,416.76 - Step 4: Simplify right side
3,279,432.50x = 8,188,687,405,783.87 - Step 5: Solve for x
x = 8,188,687,405,783.87/3,279,432.50 - Step 6: Final answer
x = 2,496,983.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.