Finding the Fourth Proportional to 4,261,205.80, 6,391,808.70 and 2,021,717.80
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Solution
The fourth proportional to 4,261,205.80, 6,391,808.70 and 2,021,717.80 is: 3,032,576.70
Step by Step Solution
- Step 1: Write the proportion equation
4,261,205.80 : 6,391,808.70 = 2,021,717.80 : x - Step 2: Convert to fraction form
4,261,205.80/6,391,808.70 = 2,021,717.80/x - Step 3: Cross multiply
4,261,205.80x = 6,391,808.70 × 2,021,717.80 - Step 4: Simplify right side
4,261,205.80x = 12,922,433,422,984.86 - Step 5: Solve for x
x = 12,922,433,422,984.86/4,261,205.80 - Step 6: Final answer
x = 3,032,576.70
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1.5x scale
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.