Finding the Fourth Proportional to 4,900,692.14, 7,351,044.69 and 1,306,275.02
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Solution
The fourth proportional to 4,900,692.14, 7,351,044.69 and 1,306,275.02 is: 1,959,414.26
Step by Step Solution
- Step 1: Write the proportion equation
4,900,692.14 : 7,351,044.69 = 1,306,275.02 : x - Step 2: Convert to fraction form
4,900,692.14/7,351,044.69 = 1,306,275.02/x - Step 3: Cross multiply
4,900,692.14x = 7,351,044.69 × 1,306,275.02 - Step 4: Simplify right side
4,900,692.14x = 9,602,486,049,450.65 - Step 5: Solve for x
x = 9,602,486,049,450.65/4,900,692.14 - Step 6: Final answer
x = 1,959,414.26
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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.