Finding the Fourth Proportional to 2,880,309.62, 3,974,814.50 and 1,591,150.62
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Solution
The fourth proportional to 2,880,309.62, 3,974,814.50 and 1,591,150.62 is: 2,195,780.80
Step by Step Solution
- Step 1: Write the proportion equation
2,880,309.62 : 3,974,814.50 = 1,591,150.62 : x - Step 2: Convert to fraction form
2,880,309.62/3,974,814.50 = 1,591,150.62/x - Step 3: Cross multiply
2,880,309.62x = 3,974,814.50 × 1,591,150.62 - Step 4: Simplify right side
2,880,309.62x = 6,324,528,556,059.99 - Step 5: Solve for x
x = 6,324,528,556,059.99/2,880,309.62 - Step 6: Final answer
x = 2,195,780.80
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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.