Finding the Fourth Proportional to 2,131,348.20, 2,941,226.10 and 1,164,457.68
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Solution
The fourth proportional to 2,131,348.20, 2,941,226.10 and 1,164,457.68 is: 1,606,932.80
Step by Step Solution
- Step 1: Write the proportion equation
2,131,348.20 : 2,941,226.10 = 1,164,457.68 : x - Step 2: Convert to fraction form
2,131,348.20/2,941,226.10 = 1,164,457.68/x - Step 3: Cross multiply
2,131,348.20x = 2,941,226.10 × 1,164,457.68 - Step 4: Simplify right side
2,131,348.20x = 3,424,933,320,761.45 - Step 5: Solve for x
x = 3,424,933,320,761.45/2,131,348.20 - Step 6: Final answer
x = 1,606,932.80
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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.