Finding the Fourth Proportional to 3,638,178.76, 5,461,053.18 and 2,679,716.68
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Solution
The fourth proportional to 3,638,178.76, 5,461,053.18 and 2,679,716.68 is: 4,022,362.91
Step by Step Solution
- Step 1: Write the proportion equation
3,638,178.76 : 5,461,053.18 = 2,679,716.68 : x - Step 2: Convert to fraction form
3,638,178.76/5,461,053.18 = 2,679,716.68/x - Step 3: Cross multiply
3,638,178.76x = 5,461,053.18 × 2,679,716.68 - Step 4: Simplify right side
3,638,178.76x = 14,634,075,296,813.04 - Step 5: Solve for x
x = 14,634,075,296,813.04/3,638,178.76 - Step 6: Final answer
x = 4,022,362.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.