Finding the Fourth Proportional to 3,806,372.67, 5,707,278.94 and 1,211,556.70
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Solution
The fourth proportional to 3,806,372.67, 5,707,278.94 and 1,211,556.70 is: 1,816,609.31
Step by Step Solution
- Step 1: Write the proportion equation
3,806,372.67 : 5,707,278.94 = 1,211,556.70 : x - Step 2: Convert to fraction form
3,806,372.67/5,707,278.94 = 1,211,556.70/x - Step 3: Cross multiply
3,806,372.67x = 5,707,278.94 × 1,211,556.70 - Step 4: Simplify right side
3,806,372.67x = 6,914,692,038,525.90 - Step 5: Solve for x
x = 6,914,692,038,525.90/3,806,372.67 - Step 6: Final answer
x = 1,816,609.31
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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.