Finding the Fourth Proportional to 4,971,745.74, 7,457,933.79 and 1,560,166.96
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Solution
The fourth proportional to 4,971,745.74, 7,457,933.79 and 1,560,166.96 is: 2,340,349.34
Step by Step Solution
- Step 1: Write the proportion equation
4,971,745.74 : 7,457,933.79 = 1,560,166.96 : x - Step 2: Convert to fraction form
4,971,745.74/7,457,933.79 = 1,560,166.96/x - Step 3: Cross multiply
4,971,745.74x = 7,457,933.79 × 1,560,166.96 - Step 4: Simplify right side
4,971,745.74x = 11,635,621,870,586.32 - Step 5: Solve for x
x = 11,635,621,870,586.32/4,971,745.74 - Step 6: Final answer
x = 2,340,349.34
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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.