Finding the Fourth Proportional to 3,263,709.68, 4,487,947.80 and 2,833,236.80
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Solution
The fourth proportional to 3,263,709.68, 4,487,947.80 and 2,833,236.80 is: 3,896,001.82
Step by Step Solution
- Step 1: Write the proportion equation
3,263,709.68 : 4,487,947.80 = 2,833,236.80 : x - Step 2: Convert to fraction form
3,263,709.68/4,487,947.80 = 2,833,236.80/x - Step 3: Cross multiply
3,263,709.68x = 4,487,947.80 × 2,833,236.80 - Step 4: Simplify right side
3,263,709.68x = 12,715,418,863,439.04 - Step 5: Solve for x
x = 12,715,418,863,439.04/3,263,709.68 - Step 6: Final answer
x = 3,896,001.82
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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.