Finding the Fourth Proportional to 5,690,876.85, 7,852,933.11 and 3,209,960.43
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Solution
The fourth proportional to 5,690,876.85, 7,852,933.11 and 3,209,960.43 is: 4,429,476.37
Step by Step Solution
- Step 1: Write the proportion equation
5,690,876.85 : 7,852,933.11 = 3,209,960.43 : x - Step 2: Convert to fraction form
5,690,876.85/7,852,933.11 = 3,209,960.43/x - Step 3: Cross multiply
5,690,876.85x = 7,852,933.11 × 3,209,960.43 - Step 4: Simplify right side
5,690,876.85x = 25,207,604,542,536.84 - Step 5: Solve for x
x = 25,207,604,542,536.84/5,690,876.85 - Step 6: Final answer
x = 4,429,476.37
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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.