Finding the Fourth Proportional to 3,655,145.97, 5,043,909.65 and 2,000,975.97
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Solution
The fourth proportional to 3,655,145.97, 5,043,909.65 and 2,000,975.97 is: 2,761,241.85
Step by Step Solution
- Step 1: Write the proportion equation
3,655,145.97 : 5,043,909.65 = 2,000,975.97 : x - Step 2: Convert to fraction form
3,655,145.97/5,043,909.65 = 2,000,975.97/x - Step 3: Cross multiply
3,655,145.97x = 5,043,909.65 × 2,000,975.97 - Step 4: Simplify right side
3,655,145.97x = 10,092,742,013,255.38 - Step 5: Solve for x
x = 10,092,742,013,255.38/3,655,145.97 - Step 6: Final answer
x = 2,761,241.85
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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.