Finding the Fourth Proportional to 4,394,266.80, 6,591,400.20 and 4,319,617.20
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Solution
The fourth proportional to 4,394,266.80, 6,591,400.20 and 4,319,617.20 is: 6,479,425.80
Step by Step Solution
- Step 1: Write the proportion equation
4,394,266.80 : 6,591,400.20 = 4,319,617.20 : x - Step 2: Convert to fraction form
4,394,266.80/6,591,400.20 = 4,319,617.20/x - Step 3: Cross multiply
4,394,266.80x = 6,591,400.20 × 4,319,617.20 - Step 4: Simplify right side
4,394,266.80x = 28,472,325,676,003.44 - Step 5: Solve for x
x = 28,472,325,676,003.44/4,394,266.80 - Step 6: Final answer
x = 6,479,425.80
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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.