Finding the Fourth Proportional to 4,678,850.70, 7,018,276.05 and 1,132,994.70
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Solution
The fourth proportional to 4,678,850.70, 7,018,276.05 and 1,132,994.70 is: 1,699,492.05
Step by Step Solution
- Step 1: Write the proportion equation
4,678,850.70 : 7,018,276.05 = 1,132,994.70 : x - Step 2: Convert to fraction form
4,678,850.70/7,018,276.05 = 1,132,994.70/x - Step 3: Cross multiply
4,678,850.70x = 7,018,276.05 × 1,132,994.70 - Step 4: Simplify right side
4,678,850.70x = 7,951,669,567,786.94 - Step 5: Solve for x
x = 7,951,669,567,786.94/4,678,850.70 - Step 6: Final answer
x = 1,699,492.05
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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.