Finding the Fourth Proportional to 4,763,416.98, 7,145,131.26 and 1,305,186.24
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Solution
The fourth proportional to 4,763,416.98, 7,145,131.26 and 1,305,186.24 is: 1,957,780.95
Step by Step Solution
- Step 1: Write the proportion equation
4,763,416.98 : 7,145,131.26 = 1,305,186.24 : x - Step 2: Convert to fraction form
4,763,416.98/7,145,131.26 = 1,305,186.24/x - Step 3: Cross multiply
4,763,416.98x = 7,145,131.26 × 1,305,186.24 - Step 4: Simplify right side
4,763,416.98x = 9,325,727,003,545.86 - Step 5: Solve for x
x = 9,325,727,003,545.86/4,763,416.98 - Step 6: Final answer
x = 1,957,780.95
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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.