Finding the Fourth Proportional to 5,109,416.91, 7,651,675.29 and 3,379,232.70
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Solution
The fourth proportional to 5,109,416.91, 7,651,675.29 and 3,379,232.70 is: 5,060,614.90
Step by Step Solution
- Step 1: Write the proportion equation
5,109,416.91 : 7,651,675.29 = 3,379,232.70 : x - Step 2: Convert to fraction form
5,109,416.91/7,651,675.29 = 3,379,232.70/x - Step 3: Cross multiply
5,109,416.91x = 7,651,675.29 × 3,379,232.70 - Step 4: Simplify right side
5,109,416.91x = 25,856,791,349,749.98 - Step 5: Solve for x
x = 25,856,791,349,749.98/5,109,416.91 - Step 6: Final answer
x = 5,060,614.90
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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.