Finding the Fourth Proportional to 3,372,671.32, 4,652,979.09 and 2,148,757.67
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Solution
The fourth proportional to 3,372,671.32, 4,652,979.09 and 2,148,757.67 is: 2,964,452.68
Step by Step Solution
- Step 1: Write the proportion equation
3,372,671.32 : 4,652,979.09 = 2,148,757.67 : x - Step 2: Convert to fraction form
3,372,671.32/4,652,979.09 = 2,148,757.67/x - Step 3: Cross multiply
3,372,671.32x = 4,652,979.09 × 2,148,757.67 - Step 4: Simplify right side
3,372,671.32x = 9,998,124,511,561.73 - Step 5: Solve for x
x = 9,998,124,511,561.73/3,372,671.32 - Step 6: Final answer
x = 2,964,452.68
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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.