Finding the Fourth Proportional to 3,623,895.09, 5,000,568.87 and 2,173,649.49
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Solution
The fourth proportional to 3,623,895.09, 5,000,568.87 and 2,173,649.49 is: 2,999,392.56
Step by Step Solution
- Step 1: Write the proportion equation
3,623,895.09 : 5,000,568.87 = 2,173,649.49 : x - Step 2: Convert to fraction form
3,623,895.09/5,000,568.87 = 2,173,649.49/x - Step 3: Cross multiply
3,623,895.09x = 5,000,568.87 × 2,173,649.49 - Step 4: Simplify right side
3,623,895.09x = 10,869,483,973,985.38 - Step 5: Solve for x
x = 10,869,483,973,985.38/3,623,895.09 - Step 6: Final answer
x = 2,999,392.56
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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.