Finding the Fourth Proportional to 3,677,909.49, 5,075,418.29 and 2,046,320.01
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Solution
The fourth proportional to 3,677,909.49, 5,075,418.29 and 2,046,320.01 is: 2,823,867.75
Step by Step Solution
- Step 1: Write the proportion equation
3,677,909.49 : 5,075,418.29 = 2,046,320.01 : x - Step 2: Convert to fraction form
3,677,909.49/5,075,418.29 = 2,046,320.01/x - Step 3: Cross multiply
3,677,909.49x = 5,075,418.29 × 2,046,320.01 - Step 4: Simplify right side
3,677,909.49x = 10,385,929,995,715.38 - Step 5: Solve for x
x = 10,385,929,995,715.38/3,677,909.49 - Step 6: Final answer
x = 2,823,867.75
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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.