Finding the Fourth Proportional to 4,420,354.91, 6,631,635.85 and 1,541,763.09
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Solution
The fourth proportional to 4,420,354.91, 6,631,635.85 and 1,541,763.09 is: 2,313,029.52
Step by Step Solution
- Step 1: Write the proportion equation
4,420,354.91 : 6,631,635.85 = 1,541,763.09 : x - Step 2: Convert to fraction form
4,420,354.91/6,631,635.85 = 1,541,763.09/x - Step 3: Cross multiply
4,420,354.91x = 6,631,635.85 × 1,541,763.09 - Step 4: Simplify right side
4,420,354.91x = 10,224,411,379,850.78 - Step 5: Solve for x
x = 10,224,411,379,850.78/4,420,354.91 - Step 6: Final answer
x = 2,313,029.52
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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.