Finding the Fourth Proportional to 5,678,631.02, 7,836,470.35 and 3,100,311.79
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Solution
The fourth proportional to 5,678,631.02, 7,836,470.35 and 3,100,311.79 is: 4,278,408.18
Step by Step Solution
- Step 1: Write the proportion equation
5,678,631.02 : 7,836,470.35 = 3,100,311.79 : x - Step 2: Convert to fraction form
5,678,631.02/7,836,470.35 = 3,100,311.79/x - Step 3: Cross multiply
5,678,631.02x = 7,836,470.35 × 3,100,311.79 - Step 4: Simplify right side
5,678,631.02x = 24,295,501,390,748.47 - Step 5: Solve for x
x = 24,295,501,390,748.47/5,678,631.02 - Step 6: Final answer
x = 4,278,408.18
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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.