Finding the Fourth Proportional to 4,214,191.05, 5,815,847.25 and 2,378,960.28
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Solution
The fourth proportional to 4,214,191.05, 5,815,847.25 and 2,378,960.28 is: 3,283,113.99
Step by Step Solution
- Step 1: Write the proportion equation
4,214,191.05 : 5,815,847.25 = 2,378,960.28 : x - Step 2: Convert to fraction form
4,214,191.05/5,815,847.25 = 2,378,960.28/x - Step 3: Cross multiply
4,214,191.05x = 5,815,847.25 × 2,378,960.28 - Step 4: Simplify right side
4,214,191.05x = 13,835,669,602,297.23 - Step 5: Solve for x
x = 13,835,669,602,297.23/4,214,191.05 - Step 6: Final answer
x = 3,283,113.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.