Finding the Fourth Proportional to 3,263,701.68, 4,487,936.76 and 2,833,228.80
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Solution
The fourth proportional to 3,263,701.68, 4,487,936.76 and 2,833,228.80 is: 3,895,990.79
Step by Step Solution
- Step 1: Write the proportion equation
3,263,701.68 : 4,487,936.76 = 2,833,228.80 : x - Step 2: Convert to fraction form
3,263,701.68/4,487,936.76 = 2,833,228.80/x - Step 3: Cross multiply
3,263,701.68x = 4,487,936.76 × 2,833,228.80 - Step 4: Simplify right side
3,263,701.68x = 12,715,351,681,010.69 - Step 5: Solve for x
x = 12,715,351,681,010.69/3,263,701.68 - Step 6: Final answer
x = 3,895,990.79
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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.