Finding the Fourth Proportional to 4,411,163.20, 6,607,996.80 and 3,885,116.80
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Solution
The fourth proportional to 4,411,163.20, 6,607,996.80 and 3,885,116.80 is: 5,819,970.43
Step by Step Solution
- Step 1: Write the proportion equation
4,411,163.20 : 6,607,996.80 = 3,885,116.80 : x - Step 2: Convert to fraction form
4,411,163.20/6,607,996.80 = 3,885,116.80/x - Step 3: Cross multiply
4,411,163.20x = 6,607,996.80 × 3,885,116.80 - Step 4: Simplify right side
4,411,163.20x = 25,672,839,382,026.24 - Step 5: Solve for x
x = 25,672,839,382,026.24/4,411,163.20 - Step 6: Final answer
x = 5,819,970.43
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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.