Finding the Fourth Proportional to 3,379,748.67, 4,664,053.08 and 2,021,621.67
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Solution
The fourth proportional to 3,379,748.67, 4,664,053.08 and 2,021,621.67 is: 2,789,837.85
Step by Step Solution
- Step 1: Write the proportion equation
3,379,748.67 : 4,664,053.08 = 2,021,621.67 : x - Step 2: Convert to fraction form
3,379,748.67/4,664,053.08 = 2,021,621.67/x - Step 3: Cross multiply
3,379,748.67x = 4,664,053.08 × 2,021,621.67 - Step 4: Simplify right side
3,379,748.67x = 9,428,950,776,558.24 - Step 5: Solve for x
x = 9,428,950,776,558.24/3,379,748.67 - Step 6: Final answer
x = 2,789,837.85
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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.