Finding the Fourth Proportional to 3,863,558.90, 5,331,444.57 and 2,144,544.09
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Solution
The fourth proportional to 3,863,558.90, 5,331,444.57 and 2,144,544.09 is: 2,959,322.80
Step by Step Solution
- Step 1: Write the proportion equation
3,863,558.90 : 5,331,444.57 = 2,144,544.09 : x - Step 2: Convert to fraction form
3,863,558.90/5,331,444.57 = 2,144,544.09/x - Step 3: Cross multiply
3,863,558.90x = 5,331,444.57 × 2,144,544.09 - Step 4: Simplify right side
3,863,558.90x = 11,433,517,943,756.09 - Step 5: Solve for x
x = 11,433,517,943,756.09/3,863,558.90 - Step 6: Final answer
x = 2,959,322.80
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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.