Finding the Fourth Proportional to 4,860,192.70, 7,290,289.05 and 1,664,256.70
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Solution
The fourth proportional to 4,860,192.70, 7,290,289.05 and 1,664,256.70 is: 2,496,385.05
Step by Step Solution
- Step 1: Write the proportion equation
4,860,192.70 : 7,290,289.05 = 1,664,256.70 : x - Step 2: Convert to fraction form
4,860,192.70/7,290,289.05 = 1,664,256.70/x - Step 3: Cross multiply
4,860,192.70x = 7,290,289.05 × 1,664,256.70 - Step 4: Simplify right side
4,860,192.70x = 12,132,912,396,399.13 - Step 5: Solve for x
x = 12,132,912,396,399.13/4,860,192.70 - Step 6: Final answer
x = 2,496,385.05
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Similar ratio
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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.