Finding the Fourth Proportional to 4,678,372.62, 7,018,433.64 and 1,482,640.74
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Solution
The fourth proportional to 4,678,372.62, 7,018,433.64 and 1,482,640.74 is: 2,224,238.32
Step by Step Solution
- Step 1: Write the proportion equation
4,678,372.62 : 7,018,433.64 = 1,482,640.74 : x - Step 2: Convert to fraction form
4,678,372.62/7,018,433.64 = 1,482,640.74/x - Step 3: Cross multiply
4,678,372.62x = 7,018,433.64 × 1,482,640.74 - Step 4: Simplify right side
4,678,372.62x = 10,405,815,645,650.49 - Step 5: Solve for x
x = 10,405,815,645,650.49/4,678,372.62 - Step 6: Final answer
x = 2,224,238.32
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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.