Finding the Fourth Proportional to 3,554,418.80, 5,331,628.20 and 2,042,764.40
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Solution
The fourth proportional to 3,554,418.80, 5,331,628.20 and 2,042,764.40 is: 3,064,146.60
Step by Step Solution
- Step 1: Write the proportion equation
3,554,418.80 : 5,331,628.20 = 2,042,764.40 : x - Step 2: Convert to fraction form
3,554,418.80/5,331,628.20 = 2,042,764.40/x - Step 3: Cross multiply
3,554,418.80x = 5,331,628.20 × 2,042,764.40 - Step 4: Simplify right side
3,554,418.80x = 10,891,260,280,996.08 - Step 5: Solve for x
x = 10,891,260,280,996.08/3,554,418.80 - Step 6: Final answer
x = 3,064,146.60
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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.