Finding the Fourth Proportional to 2,291,178.64, 3,161,475.04 and 1,324,122.17
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Solution
The fourth proportional to 2,291,178.64, 3,161,475.04 and 1,324,122.17 is: 1,827,085.46
Step by Step Solution
- Step 1: Write the proportion equation
2,291,178.64 : 3,161,475.04 = 1,324,122.17 : x - Step 2: Convert to fraction form
2,291,178.64/3,161,475.04 = 1,324,122.17/x - Step 3: Cross multiply
2,291,178.64x = 3,161,475.04 × 1,324,122.17 - Step 4: Simplify right side
2,291,178.64x = 4,186,179,171,247.96 - Step 5: Solve for x
x = 4,186,179,171,247.96/2,291,178.64 - Step 6: Final answer
x = 1,827,085.46
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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.