Finding the Fourth Proportional to 3,634,593.64, 5,015,758.95 and 2,085,731.99
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Solution
The fourth proportional to 3,634,593.64, 5,015,758.95 and 2,085,731.99 is: 2,878,321.47
Step by Step Solution
- Step 1: Write the proportion equation
3,634,593.64 : 5,015,758.95 = 2,085,731.99 : x - Step 2: Convert to fraction form
3,634,593.64/5,015,758.95 = 2,085,731.99/x - Step 3: Cross multiply
3,634,593.64x = 5,015,758.95 × 2,085,731.99 - Step 4: Simplify right side
3,634,593.64x = 10,461,528,889,874.11 - Step 5: Solve for x
x = 10,461,528,889,874.11/3,634,593.64 - Step 6: Final answer
x = 2,878,321.47
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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.