Finding the Fourth Proportional to 2,520,138.08, 3,780,220.80 and 626,879.54
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Solution
The fourth proportional to 2,520,138.08, 3,780,220.80 and 626,879.54 is: 940,322.71
Step by Step Solution
- Step 1: Write the proportion equation
2,520,138.08 : 3,780,220.80 = 626,879.54 : x - Step 2: Convert to fraction form
2,520,138.08/3,780,220.80 = 626,879.54/x - Step 3: Cross multiply
2,520,138.08x = 3,780,220.80 × 626,879.54 - Step 4: Simplify right side
2,520,138.08x = 2,369,743,076,202.43 - Step 5: Solve for x
x = 2,369,743,076,202.43/2,520,138.08 - Step 6: Final answer
x = 940,322.71
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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.