Finding the Fourth Proportional to 1,591,437.64, 2,196,211.94 and 866,306.12
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Solution
The fourth proportional to 1,591,437.64, 2,196,211.94 and 866,306.12 is: 1,195,517.69
Step by Step Solution
- Step 1: Write the proportion equation
1,591,437.64 : 2,196,211.94 = 866,306.12 : x - Step 2: Convert to fraction form
1,591,437.64/2,196,211.94 = 866,306.12/x - Step 3: Cross multiply
1,591,437.64x = 2,196,211.94 × 866,306.12 - Step 4: Simplify right side
1,591,437.64x = 1,902,591,844,439.07 - Step 5: Solve for x
x = 1,902,591,844,439.07/1,591,437.64 - Step 6: Final answer
x = 1,195,517.69
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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.