Finding the Fourth Proportional to 3,674,836.70, 5,512,242.70 and 942,381.08
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Solution
The fourth proportional to 3,674,836.70, 5,512,242.70 and 942,381.08 is: 1,413,568.45
Step by Step Solution
- Step 1: Write the proportion equation
3,674,836.70 : 5,512,242.70 = 942,381.08 : x - Step 2: Convert to fraction form
3,674,836.70/5,512,242.70 = 942,381.08/x - Step 3: Cross multiply
3,674,836.70x = 5,512,242.70 × 942,381.08 - Step 4: Simplify right side
3,674,836.70x = 5,194,633,228,848.12 - Step 5: Solve for x
x = 5,194,633,228,848.12/3,674,836.70 - Step 6: Final answer
x = 1,413,568.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.