Finding the Fourth Proportional to 4,379,715.14, 6,000,109.35 and 4,215,969.29
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Solution
The fourth proportional to 4,379,715.14, 6,000,109.35 and 4,215,969.29 is: 5,775,781.28
Step by Step Solution
- Step 1: Write the proportion equation
4,379,715.14 : 6,000,109.35 = 4,215,969.29 : x - Step 2: Convert to fraction form
4,379,715.14/6,000,109.35 = 4,215,969.29/x - Step 3: Cross multiply
4,379,715.14x = 6,000,109.35 × 4,215,969.29 - Step 4: Simplify right side
4,379,715.14x = 25,296,276,726,241.31 - Step 5: Solve for x
x = 25,296,276,726,241.31/4,379,715.14 - Step 6: Final answer
x = 5,775,781.28
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.