Finding the Fourth Proportional to 4,257,274.80, 6,385,912.20 and 1,560,703.80
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Solution
The fourth proportional to 4,257,274.80, 6,385,912.20 and 1,560,703.80 is: 2,341,055.70
Step by Step Solution
- Step 1: Write the proportion equation
4,257,274.80 : 6,385,912.20 = 1,560,703.80 : x - Step 2: Convert to fraction form
4,257,274.80/6,385,912.20 = 1,560,703.80/x - Step 3: Cross multiply
4,257,274.80x = 6,385,912.20 × 1,560,703.80 - Step 4: Simplify right side
4,257,274.80x = 9,966,517,437,006.36 - Step 5: Solve for x
x = 9,966,517,437,006.36/4,257,274.80 - Step 6: Final answer
x = 2,341,055.70
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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.