Finding the Fourth Proportional to 1,525,245.12, 2,288,619.36 and 1,078,834.68
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Solution
The fourth proportional to 1,525,245.12, 2,288,619.36 and 1,078,834.68 is: 1,618,783.70
Step by Step Solution
- Step 1: Write the proportion equation
1,525,245.12 : 2,288,619.36 = 1,078,834.68 : x - Step 2: Convert to fraction form
1,525,245.12/2,288,619.36 = 1,078,834.68/x - Step 3: Cross multiply
1,525,245.12x = 2,288,619.36 × 1,078,834.68 - Step 4: Simplify right side
1,525,245.12x = 2,469,041,934,887.40 - Step 5: Solve for x
x = 2,469,041,934,887.40/1,525,245.12 - Step 6: Final answer
x = 1,618,783.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.