Finding the Fourth Proportional to 3,431,708.95, 4,733,790.80 and 2,140,307.31
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Solution
The fourth proportional to 3,431,708.95, 4,733,790.80 and 2,140,307.31 is: 2,952,396.95
Step by Step Solution
- Step 1: Write the proportion equation
3,431,708.95 : 4,733,790.80 = 2,140,307.31 : x - Step 2: Convert to fraction form
3,431,708.95/4,733,790.80 = 2,140,307.31/x - Step 3: Cross multiply
3,431,708.95x = 4,733,790.80 × 2,140,307.31 - Step 4: Simplify right side
3,431,708.95x = 10,131,767,042,549.21 - Step 5: Solve for x
x = 10,131,767,042,549.21/3,431,708.95 - Step 6: Final answer
x = 2,952,396.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.