Finding the Fourth Proportional to 3,585,309.80, 5,377,964.70 and 2,316,266.60
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Solution
The fourth proportional to 3,585,309.80, 5,377,964.70 and 2,316,266.60 is: 3,474,399.90
Step by Step Solution
- Step 1: Write the proportion equation
3,585,309.80 : 5,377,964.70 = 2,316,266.60 : x - Step 2: Convert to fraction form
3,585,309.80/5,377,964.70 = 2,316,266.60/x - Step 3: Cross multiply
3,585,309.80x = 5,377,964.70 × 2,316,266.60 - Step 4: Simplify right side
3,585,309.80x = 12,456,800,010,589.02 - Step 5: Solve for x
x = 12,456,800,010,589.02/3,585,309.80 - Step 6: Final answer
x = 3,474,399.90
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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.