Finding the Fourth Proportional to 2,039,481.64, 2,814,520.26 and 1,121,809.96
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Solution
The fourth proportional to 2,039,481.64, 2,814,520.26 and 1,121,809.96 is: 1,548,117.32
Step by Step Solution
- Step 1: Write the proportion equation
2,039,481.64 : 2,814,520.26 = 1,121,809.96 : x - Step 2: Convert to fraction form
2,039,481.64/2,814,520.26 = 1,121,809.96/x - Step 3: Cross multiply
2,039,481.64x = 2,814,520.26 × 1,121,809.96 - Step 4: Simplify right side
2,039,481.64x = 3,157,356,860,289.79 - Step 5: Solve for x
x = 3,157,356,860,289.79/2,039,481.64 - Step 6: Final answer
x = 1,548,117.32
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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.