Finding the Fourth Proportional to 2,131,812.14, 2,941,939.26 and 1,164,983.18
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Solution
The fourth proportional to 2,131,812.14, 2,941,939.26 and 1,164,983.18 is: 1,607,697.83
Step by Step Solution
- Step 1: Write the proportion equation
2,131,812.14 : 2,941,939.26 = 1,164,983.18 : x - Step 2: Convert to fraction form
2,131,812.14/2,941,939.26 = 1,164,983.18/x - Step 3: Cross multiply
2,131,812.14x = 2,941,939.26 × 1,164,983.18 - Step 4: Simplify right side
2,131,812.14x = 3,427,309,739,771.95 - Step 5: Solve for x
x = 3,427,309,739,771.95/2,131,812.14 - Step 6: Final answer
x = 1,607,697.83
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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.