Finding the Fourth Proportional to 4,379,614.20, 6,564,950.10 and 2,959,813.80
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Solution
The fourth proportional to 4,379,614.20, 6,564,950.10 and 2,959,813.80 is: 4,436,698.99
Step by Step Solution
- Step 1: Write the proportion equation
4,379,614.20 : 6,564,950.10 = 2,959,813.80 : x - Step 2: Convert to fraction form
4,379,614.20/6,564,950.10 = 2,959,813.80/x - Step 3: Cross multiply
4,379,614.20x = 6,564,950.10 × 2,959,813.80 - Step 4: Simplify right side
4,379,614.20x = 19,431,029,902,291.38 - Step 5: Solve for x
x = 19,431,029,902,291.38/4,379,614.20 - Step 6: Final answer
x = 4,436,698.99
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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.