Finding the Fourth Proportional to 3,211,737.24, 4,432,254.09 and 1,761,419.97
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Solution
The fourth proportional to 3,211,737.24, 4,432,254.09 and 1,761,419.97 is: 2,430,790.65
Step by Step Solution
- Step 1: Write the proportion equation
3,211,737.24 : 4,432,254.09 = 1,761,419.97 : x - Step 2: Convert to fraction form
3,211,737.24/4,432,254.09 = 1,761,419.97/x - Step 3: Cross multiply
3,211,737.24x = 4,432,254.09 × 1,761,419.97 - Step 4: Simplify right side
3,211,737.24x = 7,807,060,866,240.18 - Step 5: Solve for x
x = 7,807,060,866,240.18/3,211,737.24 - Step 6: Final answer
x = 2,430,790.65
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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.