Finding the Fourth Proportional to 4,520,131.70, 6,234,172.49 and 2,972,981.68
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Solution
The fourth proportional to 4,520,131.70, 6,234,172.49 and 2,972,981.68 is: 4,100,340.84
Step by Step Solution
- Step 1: Write the proportion equation
4,520,131.70 : 6,234,172.49 = 2,972,981.68 : x - Step 2: Convert to fraction form
4,520,131.70/6,234,172.49 = 2,972,981.68/x - Step 3: Cross multiply
4,520,131.70x = 6,234,172.49 × 2,972,981.68 - Step 4: Simplify right side
4,520,131.70x = 18,534,080,594,577.01 - Step 5: Solve for x
x = 18,534,080,594,577.01/4,520,131.70 - Step 6: Final answer
x = 4,100,340.84
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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.