Finding the Fourth Proportional to 3,731,941.88, 5,148,104.58 and 2,568,368.05
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Solution
The fourth proportional to 3,731,941.88, 5,148,104.58 and 2,568,368.05 is: 3,542,988.55
Step by Step Solution
- Step 1: Write the proportion equation
3,731,941.88 : 5,148,104.58 = 2,568,368.05 : x - Step 2: Convert to fraction form
3,731,941.88/5,148,104.58 = 2,568,368.05/x - Step 3: Cross multiply
3,731,941.88x = 5,148,104.58 × 2,568,368.05 - Step 4: Simplify right side
3,731,941.88x = 13,222,227,321,330.67 - Step 5: Solve for x
x = 13,222,227,321,330.67/3,731,941.88 - Step 6: Final answer
x = 3,542,988.55
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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.