Finding the Fourth Proportional to 4,137,517.80, 6,206,276.70 and 1,297,625.40
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Solution
The fourth proportional to 4,137,517.80, 6,206,276.70 and 1,297,625.40 is: 1,946,438.10
Step by Step Solution
- Step 1: Write the proportion equation
4,137,517.80 : 6,206,276.70 = 1,297,625.40 : x - Step 2: Convert to fraction form
4,137,517.80/6,206,276.70 = 1,297,625.40/x - Step 3: Cross multiply
4,137,517.80x = 6,206,276.70 × 1,297,625.40 - Step 4: Simplify right side
4,137,517.80x = 8,053,422,285,348.18 - Step 5: Solve for x
x = 8,053,422,285,348.18/4,137,517.80 - Step 6: Final answer
x = 1,946,438.10
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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.