Finding the Fourth Proportional to 5,253,645.65, 7,880,704.54 and 1,610,108.62
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Solution
The fourth proportional to 5,253,645.65, 7,880,704.54 and 1,610,108.62 is: 2,415,235.28
Step by Step Solution
- Step 1: Write the proportion equation
5,253,645.65 : 7,880,704.54 = 1,610,108.62 : x - Step 2: Convert to fraction form
5,253,645.65/7,880,704.54 = 1,610,108.62/x - Step 3: Cross multiply
5,253,645.65x = 7,880,704.54 × 1,610,108.62 - Step 4: Simplify right side
5,253,645.65x = 12,688,790,287,800.10 - Step 5: Solve for x
x = 12,688,790,287,800.10/5,253,645.65 - Step 6: Final answer
x = 2,415,235.28
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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.