Finding the Fourth Proportional to 3,684,909.20, 5,527,363.80 and 3,354,234.80
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Solution
The fourth proportional to 3,684,909.20, 5,527,363.80 and 3,354,234.80 is: 5,031,352.20
Step by Step Solution
- Step 1: Write the proportion equation
3,684,909.20 : 5,527,363.80 = 3,354,234.80 : x - Step 2: Convert to fraction form
3,684,909.20/5,527,363.80 = 3,354,234.80/x - Step 3: Cross multiply
3,684,909.20x = 5,527,363.80 × 3,354,234.80 - Step 4: Simplify right side
3,684,909.20x = 18,540,076,010,220.24 - Step 5: Solve for x
x = 18,540,076,010,220.24/3,684,909.20 - Step 6: Final answer
x = 5,031,352.20
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1.5x scale
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.