Finding the Fourth Proportional to 4,278,686.03, 6,419,400.71 and 1,246,234.21
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Solution
The fourth proportional to 4,278,686.03, 6,419,400.71 and 1,246,234.21 is: 1,869,750.83
Step by Step Solution
- Step 1: Write the proportion equation
4,278,686.03 : 6,419,400.71 = 1,246,234.21 : x - Step 2: Convert to fraction form
4,278,686.03/6,419,400.71 = 1,246,234.21/x - Step 3: Cross multiply
4,278,686.03x = 6,419,400.71 × 1,246,234.21 - Step 4: Simplify right side
4,278,686.03x = 8,000,076,757,230.69 - Step 5: Solve for x
x = 8,000,076,757,230.69/4,278,686.03 - Step 6: Final answer
x = 1,869,750.83
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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.