Finding the Fourth Proportional to 3,618,725.83, 4,994,240.19 and 2,070,130.26
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Solution
The fourth proportional to 3,618,725.83, 4,994,240.19 and 2,070,130.26 is: 2,857,007.76
Step by Step Solution
- Step 1: Write the proportion equation
3,618,725.83 : 4,994,240.19 = 2,070,130.26 : x - Step 2: Convert to fraction form
3,618,725.83/4,994,240.19 = 2,070,130.26/x - Step 3: Cross multiply
3,618,725.83x = 4,994,240.19 × 2,070,130.26 - Step 4: Simplify right side
3,618,725.83x = 10,338,727,753,992.56 - Step 5: Solve for x
x = 10,338,727,753,992.56/3,618,725.83 - Step 6: Final answer
x = 2,857,007.76
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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.