Finding the Fourth Proportional to 4,879,991.54, 7,318,511.80 and 1,467,372.21
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Solution
The fourth proportional to 4,879,991.54, 7,318,511.80 and 1,467,372.21 is: 2,200,614.63
Step by Step Solution
- Step 1: Write the proportion equation
4,879,991.54 : 7,318,511.80 = 1,467,372.21 : x - Step 2: Convert to fraction form
4,879,991.54/7,318,511.80 = 1,467,372.21/x - Step 3: Cross multiply
4,879,991.54x = 7,318,511.80 × 1,467,372.21 - Step 4: Simplify right side
4,879,991.54x = 10,738,980,802,764.23 - Step 5: Solve for x
x = 10,738,980,802,764.23/4,879,991.54 - Step 6: Final answer
x = 2,200,614.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.