Finding the Fourth Proportional to 2,865,861.39, 3,954,888.56 and 1,576,674.09
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Solution
The fourth proportional to 2,865,861.39, 3,954,888.56 and 1,576,674.09 is: 2,175,810.15
Step by Step Solution
- Step 1: Write the proportion equation
2,865,861.39 : 3,954,888.56 = 1,576,674.09 : x - Step 2: Convert to fraction form
2,865,861.39/3,954,888.56 = 1,576,674.09/x - Step 3: Cross multiply
2,865,861.39x = 3,954,888.56 × 1,576,674.09 - Step 4: Simplify right side
2,865,861.39x = 6,235,570,313,506.04 - Step 5: Solve for x
x = 6,235,570,313,506.04/2,865,861.39 - Step 6: Final answer
x = 2,175,810.15
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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.