Finding the Fourth Proportional to 2,131,458.68, 2,941,321.74 and 1,164,573.56
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Solution
The fourth proportional to 2,131,458.68, 2,941,321.74 and 1,164,573.56 is: 1,607,061.66
Step by Step Solution
- Step 1: Write the proportion equation
2,131,458.68 : 2,941,321.74 = 1,164,573.56 : x - Step 2: Convert to fraction form
2,131,458.68/2,941,321.74 = 1,164,573.56/x - Step 3: Cross multiply
2,131,458.68x = 2,941,321.74 × 1,164,573.56 - Step 4: Simplify right side
2,131,458.68x = 3,425,385,529,857.20 - Step 5: Solve for x
x = 3,425,385,529,857.20/2,131,458.68 - Step 6: Final answer
x = 1,607,061.66
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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.